Type
Matching Worksheet
Description

stimulated by changes in pressure or movement Mechanoreceptors
stimulated by changes in temperature Thermoreceptors
stimulated by tissue damage Nociceceptors
stimulated by changes in chemical concentration of substances Chemoreceptors
stimulated by light Photoreceptors
the body organs by which humans are able to see, smell, hear, taste, and touch or feel. Sensory Organs
the action or capacity of smelling Olfaction
a neural structure of the vertebrate forebrain involved in olfaction olfactory bulb
membranous tissue located inside the nasal cavity olfactory epithelium
a small rounded protuberance on a part or organ of the body Papillae
receives information from the internal and external environment via the sensory organs. Central Nervous System

The Sensory System, Part 1 Crossword

Type
Crossword
Description

detect changes in the environment, stimulate neurons to send nerve impulses to the brain sensory receptors
receptors sensitive to changes in chemical concentration chemoreceptors
detect tissue damage pain receptors
respond to temperature differences thermoreceptors
respond to changes in pressure or movement mechanoreceptors
receptors that respond to light energy photoreceptors
awareness that occurs when the brain receives sensory impulses sensation
when the brain interprets the sensory input perception
when visceral pain is felt in another body area referred pain
myelinated fibers that carry impulses rapidly acute pain fibers
unmyelinated fibers that conduct impulses slowly chronic pain fibers
sense of smell olfaction
organs of taste taste buds
sense of taste gustation
part of the ear that collects the sound auricle

Sensory Receptors and Processing Crossword

Type
Crossword
Description

changes in the environment stimuli
mechanoreceptors detect touch, pressure, _____ and stretch vibration
receptors that detect changes in temperature thermoreceptors
receptors that respond to wavelengths of light photoreceptors
photoreceptors are only found in the _____ retina
receptors that detect chemicals suspended in fluid chemoreceptors
receptors that respond to pain if damage to tissue is impending nociceptors
a mechanoreceptor that detects overstretch of a muscle musclespindle
a mechanoreceptor that detects overstretch of a tendon tendonorgan
a hair follicle receptor is a kind of _______ mechanoreceptor
___ are sensitive to stimuli outside of the body exteroreceptors
_____ are sensitive to stimuli inside of the body interoreceptors
____ inform the brain about limb position proprioreceptors
receptors that detect special senses specialsenseorgans
type of simple receptor with free nerve endings without a connective tissue cover nonencapsulated
type of simple receptor with a connective tissue sheath surround it encapsulated
a mechanoreceptor that allows for hearing organofcorti
a chemoreceptor that allows for taste tastebud
a chemoreceptor that allows for smell olfactoryepithelium
photoreceptors that specialize in vision rodsandcones
The special sense are: vision, hearing, taste, smell and ______. equilibrium
awareness of changes in the environment sensation
interpretation of sensations perception

Neuron Crossword

Type
Crossword
Description

a specialized cell transmitting nerve impulses; a nerve cell. Neuron
a chemical substance which is released at the end of a nerve fibre by the arrival of a nerve impulse and, by diffusing across the synapse or junction, effects the transfer of the impulse to another nerve fibre, a muscle fibre, or some other structure. Neurotransmitter
relating to sensation or the physical senses; transmitted or perceived by the senses. Sensory
Share. Motor neurone disease (MND) is a condition which causes weakness in the muscles that gets worse and eventually leads to paralysis. It is also known as Lou Gehrig's disease, amyotrophic lateral sclerosis or ALS. Motor
a junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter Synapse
near the surface of the body, with special reference to the circulation and nervous system. Peripheral
a neuron which transmits impulses between other neurons, especially as part of a reflex arc. Interneuron
the complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord. Central
a non-specialised sensory receptor, or more accurately the receptive portion of a sensory neuron, that codes absolute and relative changes in temperature, primarily within the innocuous range. Thermoreceptor
a sense organ or cell that responds to mechanical stimuli such as touch or sound. Mechanoreceptors
a sensory cell or organ responsive to chemical stimuli. Chemoreceptors
A thing or event that evoke a specific functional reaction in the organ or tissue Stimuli
a region of the forebrain below the thalamus which coordinates both the autonomic nervous system and the activity of the pituitary. Hypothalamus

The senses Crossword

Type
Crossword
Description

Stimulus in the internal and external environment of an organism Sensory Receptor
Two cells including rods and cones Photoreceptors
Carries auditory sensory to the inner ear then to the brain Auditory Nerve
Known as the ear drum Tympanic Membrane
Triggers nerve impulses Retina
Controls the size of a pupil Iris
Provides sense of taste Taste Bud
Sensitive to light, dark, shape and movement changes Rod
Distinguishes spacial distance between organisms and objects Lens
Small, rounded protuberance on an organ of a body Papillae
Responsible for color vision Cone
Translates sound to the nerve and impulses to send to the brain Cochlea
Detection of odor molecules Olfactory Receptors
Transmits impulses to the brain from the retina Optic Nerve
Maintain balance located in inner ear Semicircular Canal

Properties and Types of Sensory Receptors Crossword

Type
Crossword
Description

A cell or organ specialized to detect a stimulus, such as taste cell, or the eye Receptor
An organ of the body that responds to external stimuli by conveying impulses to the sensory nervous system Sense Organ
The action of converting one form of energy into another Transduction
A variable change in membrane voltage produced by a stimulus acting on a receptor cell; generates an action potential if it reaches threshold Receptor Potential
Conscious perception of a stimulus Sensation
Refers to the type of stimulus or the sensation it produces Modality
Theory of sensory interpretation which explains how the brain separates different sensations based on the area of the body that the signal comes from Labeled Line Code
The area in which a sensory neuron detects stimuli Receptive Field
The ability of the brain to identify the site of stimulation Sensory Projection
Pathways followed by sensory signals to their ultimate destinations in the CNS Projection Pathways
Refers to whether a light is loud or soft, a light is dim or bright, a pain is mild or excruciating Intensity
How long a stimulus lasts Duration
What happens if stimulus is prolonged, the firing of the neuron gets slower over time and we become less sensitive to the stimulus Sensory Adaptation
Generate a burst of action potentials when first stimulated, then quickly adapt and sharply reduce or stop signaling even if the stimulus continues Phasic Receptors
A type of receptor that adapts slowly and generate signals steadily Tonic Receptors
A neuron specialized to respond to heat or cold, found in the skin and mucous membranes, for example Thermoreceptors
A sensory cell or sense organ that responds to light falling on it Photoreceptors
A nerve ending specialized to detect tissue damage and produce a sensation of pain Nociceptors
An organ or cell specialized to detect chemicals, as in the carotid bodies and taste buds Chemoreceptors
A sensory nerve ending or organ specialized to detect mechanical stimuli such as touch, pressure, stretch, or vibration Mechanoreceptors
A sensory receptor of the muscles, tendons, and joint capsules that detects muscle contractions and joint movements Proprioceptors

Five Senses Crossword

Type
Crossword
Description

The part of the ear that you see. PINNA
One of the bones of the middle ear INCUS
This turns the vibrations of sound into electrical signals that travel through the auditory nerve to the brain. COCHLEA
Sound waves travel through here to the ear drum EAR CANAL
This can get larger and smaller to allow the right amount of light for focus PUPIL
This is the outermost part of the eye which bends light and protects. CORNEA
This is used to bend the light and focus images on the back of the eye. LENS
Images are focused onto this. RETINA
The colorful part of the eye which is made of muscle that controls the size of the pupil. IRIS
Images are sent thought the ________ ___________ to the brain. OPTIC NERVE
These molecules are dissolved in the mucous membrane of the nasal cavity and are what we smell. ODERANT
The sensory cells that are found in the nasal cavity. OLFACTORY
These bumps are found on the tongue. PAPILLAE
The _______________ receptor cells are the sensory cells that taste. GUSTATORY
Skeletal, Cardiac, and this are types of muscle. SMOOTH
The mouth, nasal, and entire airway are lined with this. MUCOUS
Smallest unit of living things CELLS
The semicircular _____________ are used to sense orientation and are the organs of balance. CANALS
This Newton's law explains why we get dizzy when spinning. First
Sensory cells are called Receptors

Sensation & Perception Crossword

Type
Crossword
Description

The minimum amount of stimulus energy that a person can detect absolutethreshold
The perception that a stationary object is moving apparentmovement
The process of focusing awareness on a narrow aspect of the environment attention
The nerve structure that receives information about sound from the hair cells of the inner ear and carries these neural impulses to the brain’s auditory areas auditorynerve
In the sense of vision, the bringing together and integration of what is processed by different neural pathways or cells binding
Depth cues that depend on the combination of the images in the left and right eye and on the way the two eyes work together binocularcues
The operation in sensation and perception in which sensory receptors register information about the external environment and send it up to the brain for interpretation bottomupprocessing
The receptor cells in the retina that allow for color perception cones
A binocular cue to depth and distance in which the muscle movements in an individual’s two eyes provide information about how deep and/or far away something is Convergence
The ability to perceive objects three-dimensionally depthperception
The degree of difference that must exist between two stimuli before the difference is detected differencethreshold
Neurons in the brain’s visual system that respond to particular features of a stimulus featuredetectors
The principle by which we organize the perceptual field into stimuli that stand out (figure) and those that are left over (ground) figuregroundrelationship
Theory on how the inner ear registers the frequency of sound, stating that the perception of a sound’s frequency depends on how often the auditory nerve fires frequencytheory
A school of thought interested in how people naturally organize their perceptions according to certain patterns gestaltpsychology
The part of the ear that includes the oval window, cochlea, and basilar membrane and whose function is to convert sound waves into neural impulses and send them to the brain innerear
Senses that provide information about movement, posture, and orientation kinestheticsenses
The part of the ear that channels sound through the eardrum, hammer, anvil, and stirrup to the inner ear middleear
Powerful depth cues available from the image in one eye, either the right or the left monocularcues
Irrelevant and competing stimuli—not only sounds but also any distracting stimuli for the senses noise
The lining of the roof of the nasal cavity, containing a sheet of receptor cells for smell olfactoryepithelium
Theory stating that cells in the visual system respond to complementary pairs of red-green and blue-yellow colors; a given cell might be excited by red and inhibited by green, whereas another cell might be excited by yellow and inhibited by blue opponentprocesstheory
The structure at the back of the eye, made up of axons of the ganglion cells, that carries visual information to the brain for further processing opticnerve
The outermost part of the ear, consisting of the pinna and the external auditory canal outerear
The sensation that warns an individual of damage to the body pain
Rounded bumps above the tongue’s surface that contain the taste buds, the receptors for taste papillae
The simultaneous distribution of information across different neural pathways parallelprocessing
The process of organizing and interpreting sensory information so that it makes sense perception

Basic Brain Structure and Function Crossword

Type
Crossword
Description

The membrane that covers and protects the central nervous system, forms partitions, contains cerebral fluid, protects blood vessels and encloses the venus sinuses. Meninges
The _______________ nervous system serves to stimulate nervous system activity such as accelerating the heart rate, constricting blood vessels, raising the blood pressure, and facilitating a muscle contraction Sympathetic
The outermost layer of the cerebral hemispheres are composed of ________matter Gray
The neuroendocrine ________________ is associated with mood, appetite, vomiting, limbic system functions, pain and sleep. The drug Prozac mimics this Serotonin
In the architecture of the brain there area three basic units based on location. The that includes the upper spinal cord, brain stem and cerebellum is the ___________________ Hindbrain
The brain is divided into two ______________ Hemispheres
The parietal lobe is known as the primary ______________ area where impulses related to temperature, pain, touch, taste, smell are interpreted Sensory
The area of the brain responsible for receiving information from the ears is the ____________ lobe Temporal
Damage to the occipital lobes can cause _____________________ Blindness
Superior, Straight or Cavernous __________ Sinus
Sensory information received from the outside world is processed; controls voluntary movement & regulates conscious thought & mental activity in the ____________________ hemispheres Cerebral
In development of the brain, the ______________ is responsible for the evolution of intelligence Neocortex
The lobe of the brain involved in planning a schedule, imagining the future or reasoning during an argument is the __________lobe Frontal
The _____________ is the structure that receives sensory and limbic information and sends this information to the brain Thalamus
A neuroendocrine associated with concentration, socializing, food-seeking, sexual desire and motor neuron control and associated with Parkinson’s, Alzheimer’s and Lewy Body dementia Dopamine
Short term memories and converted to long-term memories in the ___________________ Hippocampus
The ______________ are chemical messengers in the nervous system Neurotransmitters
The _________side of the cerebrum specializes in language, calculation and sequential thought processes Left
The ____________ nervous system is part of the involuntary nervous system that serves to slow the heart rate, increase intestinal and glandular activity, relax the sphincter muscles and allow a muscle to rest Parasympathetic
The ___________ is the regions of the embryonic vertebrate neural tube that gives rise to posterior forebrain structures Diencephalon
The sixth cranial nerve, responsible for the control of lateral eye movement is the ___________ nerve Abducens
An excitatory neurotransmitter that governs muscle contractions and is associated with memory formation and diseases like Alzheimer’s is ______________________ Acetylcholine
The _____________ ___________ is a set of interconnected nuclei located throughout the brainstem and play a crucial role in maintaining behavioral arousal and consciousness (2 weeks) Reticular formation
Cranial nerve #1, responsible for smell is called the ______________ nerve Olfactory
The _____________ ______________ helps to refine movement so it isn’t clumsy or erratic (2 words) Cerebral Peduncle
Substance that reduces the weight of the brain, supplies nutrients, transports hormones and prevents head injury (3 word) Cerebral Spinal Fluid
The Eleventh cranial nerve which controls the trapezius and sternocleidomastoid and controls swallowing movement is the ____________ nerve Accessory
The _______________ functions to control autonomic, emotional, and sexual behavior (regulates visceral motor activity) Amygdala

The Nervous System Crossword

Type
Crossword
Description

What is the branch part of the neuron that transports messages away from the cell body. Axon
A _____ is made up of a cell body, dendrite, and axon. Neuron
The _______ nervous system is made up of the brain and spinal cord. Central
When a movement causes the spinal cord to interpret an impulse from the brain from sensory receptors this movement is called ______. Reflex
The olfactory cells in the nasal passages detect _________ in the air, transmitting these impulses as odors. Molecules
The _________ _____ in the nasal passages detect molecules in the sir, transmiting these impulses as odors. Olfactory Cells
The ear, along with detecting and transmitting _____ _____, also controls the body's balance by reacting to motion and gravity. Sounds Waves
This part of the brain coordinates voluntary muscle movements. Cerebellum
Nerve cells that conduct impulses from the brain to muscle and glands throughout your body are called _____ neurons. Motor
When an impulse reaches the end of and axon, the axon releases a chemical that flows across the synapse and relrelaysyas the impulse the ________ of the next neuron. Dendrite
Nerve cells that relay impulses from sensory nerve cells are called ____________. Internerons
Which part of the nervous system is made up of nerve cells that carry impulses to and from the brain. Spinal Cord
The rods and cones send impulses to the _____ _____, which carries them to the visual area of the cortex. Optic Nerve
When light is focused in front of the retina a person is ___________. Nearsighted
When the light focused in front of the retina a person is__________. Farsighted

Anatomy: The Nervous System Crossword

Type
Crossword
Description

Lobe; language, speech FRONTAL
Eliminates wastes from neurons in CNS MICROGLIAL
The sensory neuron AFFERENT
Lobe; auditory, olfactory (smell) TEMPORAL
Shapes and supports neuron CELL BODY
Part of the brain that controls blood pressure, heart rate, swallowing MEDULLA
Diencephalon; hormones, body temp, water balance, metabolism HYPOTHALAMUS
Forms myelin sheath in CNS OLIGODENDROCYTE
Forms myelin sheath in PNS SCHWANN
Part of the brain that controls balance CEREBELLUM
Impulses in between afferent and efferent neurons INTERNEURON
Blood-brain barrier in CNS ASTROCYTE
Slows down cardiac in PNS PARASYMPATHETIC
Lobe; vision OCCIPITAL
Involuntary in PNS; cardiac & smooth muscles AUTONOMIC
Forms myelin to support neurons in PNS SATELLITE
Lobe; sensory, taste PARIETAL
Receives message from neurons DENDRITE
Speeds up cardiac in PNS SYMPATHETIC
Wraps around axon MYELIN SHEATH
The motor neuron EFFERENT
Sends message to neurons AXON
Part of the brain that controls breathing only PONS
Voluntary in PNS; skeletal muscles SOMATIC
Cushions neuron in CNS EPENDYMAL