Type
Crossword
Description

This crossword contains the following questions and answers:

nerve impulse, membrane potential of an active neuron Action potential
in a neuron, the single process that extends from the axon hillock and transmits impulses away from the cell body Axon
division of the nervous system composed of the brain and spinal cord Central nervous system
branching or tree-like nerve cell process that receives input from other neurons and transmits impulses toward the cell body (or toward the axon in unipolar neurons) Dendrite
nonexciteable supporting cells of nervous tissue; formerly called neruoglia glia
difference in electrical charge between inside and outside of the plasma membrane membrane potential
lipoprotein substance in the myelin sheath around many nerve fibers that contribute to high speed conductivity of impulses myelin
bundle nerve fibers, plus surrounding connective tissue, located outside the brain and spinal cord nerve
nerve cell, including its processes (axons and dendrites) neuron
nerves connecting the brain and spinal cord to other parts of the body peripheral nervous system
impulse conduction route to and from the central nervous system; smallest portion of nervous system that can receive a stimulus and generate a response reflex arc
membrane-to-membrane junction between a neuron and another neuron, effector cell, or sensory cell; function to propagate action potential synapse
part of the brain containing the midbrain, pons, and medulla oblongata brainstem
second largest part of the human brain; plays an essential role in the production of normal movements cerebellum
plasma-like fluid that fills the subarachnoid space in the brain and spinal cord and in the cerebral ventricles cerebrospinal fluid
largest and uppermost part of the human brain that controls consciousness, memory, sensations, emotions, and voluntary movements cerebrum
“between” brain; parts of the brain between cerebral hemispheres and the mesencephalon, or midbrain diencephalon
graphic representation of voltage changes in the brain tissue used to evaluate nerve tissue function electroencephalogram
important autonomic and neuroendocrine control center located inferior to the thalamus in the brain hypothalamus
parts of the brain involved in emotions and sense of smell; plays key role in coupling sensory inputs to short- and long-term memory; consists of the hippocampus, the hypothalamus and several other structures limbic system
fluid-containing membranes surrounding the brain and spinal cord meninges
located in the medulla where bits of gray and white matter mix intricately, this structure is involved in regulating input from sensory neurons, arousal, and motor control Reticular formation
mass of gray matter located in diencephalon just above the hypothalamus; helps produce sensations, associates sensations with emotions, and plays a part in the arousal mechanism thalamus
a cavity, such as the large, fluid-filled spaces within the brain or the chambers of the heart ventricle

The Nervous System Word Search

Type
Word Search
Description

This word search contains the following answers:

electrical impulse
neurons
medulla oblongata
cerebellum
cerebrum
nerve impulse
relfex arc
neurotransmitters
muscle tissue
synapse
motor meurons
interneurons
sensory neurons
dendrite
cell body
nervous system
nerve
axon
skeletal muscle
spinal cord
Brain
PNS
Peripheral Nervous System
CNs
Central Nervous System

Biology Nervous System Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

An electrochemical pulse that moves long the membrane of a neuron Nerve impulse
The protective coverings of the brain and spinal cord Meninges
The brain region that receives general sensations and relays impulses to a parietal lobe Thalamus
The region of the brain that controls involuntary activities Hypothalamus
Part of the neuron that receives nerve impulses and transmits them toward the cell body Dendrite
The series of neurons that produces a single reaction in response to a stimulus Reflex arc
The white fatty membrane that protects the neuron Myelin Sheath
The part of the nervous system consisting of the brain and spinal cord Central Nervous System
The part of the neuron with the greatest diameter; contains the nucleus Cell Body
The junction between the axon and dendrite Synapse
The part of the brain containing motor and sensory centers: controls voluntary movement Cerebrum
Part of the brain that monitors and adjusts body activities Cerebellum
The gray matter of the cerebrum Cerebral Cortex
Part of the brain; Relay center between spinal cord and brain; reflex center Medulla oblongata
A rounded portion of the lower brain that relays information from one side of th brain to the other Pons
The nervous tissue that conducts messages between the brain and the peripheral body parts Spinal cord
The functional unit of the nervous system. The cell that receives and distributes nerve impulses. Neuron
The chemicals responsible for extending the nerve impulse from one cell to the next Neurotransmitters

The Nervous System Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Cells that transmit impulses Neurons
Short branch extensions that carry impulses towards the cell body Dendrites
Long fiber that carries impulses away from cell body Axon
Contained in sacs in axon terminals; released to cause stimulus in the next cell; chemicals Neurotransmitters
Relays messages, processes information, and analyzes information. Central nervous system
Connects brain to the spinal cord; Controls involuntary actions. Brain Stem
Controls reflexes; Carries signals from brain to the body Spinal cord
Second largest part of the brain; Located at the back of the skull; Coordinates balance and movement. Cerebellum
Largest part of the brain; Responsible for voluntary and educated actions; Located in 2 different lobes. Cerebrum
Fatty insulated sheath that surrounds all but the smallest nerve fibers. Myelin sheath
a bundle of fibers running to organs and tissues in the body. nerve

The Nervous System Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

This crossword contains the following questions and answers:

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

Ch. 9 Anatomy Vocab Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

nerve cells neurons
information in the form of electro. chemical changes nerve impulses
rounded area on neurons cell body
extension of cell body that receive electro. chemical messages dendrites
extensions that send electro chemical info. axons
nervous tissue that provides physical support, insulation, and nutrients neuroglia
consists of brain and spinal cord CNS
composed of nerves and connects the CNS to other body parts PNS
gather info. by detecting changes inside and outside the body sensory receptors
include muscles and glands whose actions are controlled or modified nerve impulses effectors
controls skeletal muscle somatic nervous system
mixture of proteins and lipids that form a white-ish insulating sheet around nerve fibers myelin
support neurons and phagocytize bacterial cells microglial
provide myelin sheath around axons in the brain and spinal cord oligodendrocytes
provide structural support, join parts by their cellular processes, and regulate concentrations of nutrients and ions astrocytes
form an epithelial like membrane that covers specialized brain parts and form inner linings that enclose spaces in the brain ependymal
produce a myelin sheath around axons of neurons schwann cells
a network of fine threads that form the cell body of a neuron neurofibrils
sheath that surrounds the myelin sheath neurolemma
narrow gaps between schwann cells nodes of ranvier
type of neuron that has many processes arising from their cell body (1 axon, the rest dendrites) multipolar neurons
type of neuron that have 2 processes, one arising from each of the cell body (1 axon, 1 dendrite) bipolar
type of neuron that have single processes extending from cell body that divide into 2 branches (peripheral process ad central process) unipolar
(afferent neurons) transmit nerve impulses from peripheral body parts into brain or spinal cord sensory neurons
(assosciation neuron) found entirely within the brain or spinal cord and transmit impulses from one part of the brain or spinal cord to another interneurons
(efferent neurons) transmit impulses out of the brain or spinal cord to effectors; control muscle contraction and secretions of glands motor neurons
junction between two communicating neurons synapse
potential difference between the region outside the membrane and inside the membrane resting potential

The Nervous System Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

brain and spinal corn cns
made up of nerve cells that send messages between the central nervous system and other parts of the body pns
nerve cells that run through our entire bodies and they communicate with each other neurons
produces energy that fuels the neurons activity cell body
branches out of the cells body and receives information from other neurons and pass the message through the cell body dendrites
transmits messages away from the cell body axon
a white fatty substance that insulates and protects the axon myelin
the smaller fibers branching out at the end of the axon axon terminals
a junction between the axon terminals of one neuron and the dendrites of another synapse
chemicals that are stored in sacs in the axon terminals neurotransmitters
a column of nerves about as thick as a thumb that extends from the brain down the back spinal cord
transmits sensory messages to the central nervous system sns
regulates the body's vital function, such as heartbeat, breathing, digestion, and blood pressure ans

Nervous System Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Pathway where the action potential travels through Axon
lipid that insulates the axon Myelin Sheath
Types of cells that make up the myelin sheath Schwann Cells
Reduction in the magnitude of membrane potential DEPOLARIZATION
"Downtime" after action potential; when a second action potential can't be initiated refractory period
Depolarized region on the axon Node of ranvier
Disease where our immune system attacks the myelin sheath Multiple Sclerosis
Type of neuron that conducts signals from receptors to the central nervous system Sensory Neurons
Re-set in the membrane potential Repolarization
Chemical signal that moves through the synapse Neurotransmitter
Neurotransmitter that transmits signal to skeletal muscles acetylcholine
Neurotransmitter responsible for the fight or flight response Epinephrine
Nervous system made up of the brain and spinal cord cns
Nervous system made of of nerves and ganglia pns
Imposrtant for homeostasis (regulates hunger, thirst, temp., biological clock) Hypothalamus
Coordinates movement & balance Cerebellum
Helps to transfer info. between PNS & midbrain Brainstem
Links left & right hemisphere of the brain Corpus collasum

Neuron Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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 Nervous System Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Consists of the brain and spinal cord Central Nervous System
The stage in which a neuron is not carrying an impulse Polarization
The small gap between the axon of one neuron and the dendrites or cell body of the next neuron Synapse
The small gap between the axon of one neuron and the dendrites or cell body of the next neuron Nerve
An impulse from the central nervous system to a muscle or gland Efferent neuron
Carrying an impulse from the receptors to the central nervous system Sensory neuron
Extends from the spinal cord to the pons and is anterior to the cerebellum Medulla
Grey matter on the surface of the cerebrum Cerebral cortex
The connective tissue that covers the brain and spinal cord Meninges
Connects the left and right hemisphere Corpus Callosum
A chemical that is released into the the synapse by the arrival of an electrical nerve impulse Nuerotransmitter
An area concerned with learning motor skills that require a sequence of movement Premotor area
The specialized cell found only in the brain and spinal cord Neuroglia
A group of cell bodies outside the central nervous system, within the vertebral canal Ganglion
Superior to the hypothalamus and inferior to the cerebrum Thalamus