Type
Word Search
Description

cord
spinal
brain
nerve
neurone
cytoplasm
membrane
nucleus
organelle
organism
system
organ
connective
muscle
epithelial
tissues
function
multicellular
unicellular
heirarchy
organisation
cells

Cells Word Search

Type
Word Search
Description

golgi apparatus
organ system
unicellular
multicellular
chloroplast
vacuole
lysosomes
organ
tissue
endoplasmic reticulum
mitochondria
cytoplasm
ribosome
organelle
nucleus
cell membrane
cell wall

The Nervous System Word Search

Type
Word Search
Description

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

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

Cells Tissues & Organs Crossword

Type
Crossword
Description

What is the basic unit of structure? Cells
Outer covering of a cell Cell membrane
Tissue that receives and carries impulses to the brain and back of the body Nerve
Tissue that anchors, connects and supports other tissue Connective
Groups of tissue with the similar functions Organs
Groups of cells with similar functions Tissue
Controls the traits children inherit from their parents Genes
Control center of the cell Nucleus
Contains smaller structures that perform cell functions Cytoplasm
Thread like structures in the nucleus Chromosomes
Tissue that stretches and contracts to let the body move Muscle
You need a ______ to study cells Microscope
Cells need food, water and ____ to live Oxygen
Tissue that covers internal and and external body surfaces Epithelial
Examples of organs are the heart, brain, liver,______ and kidneys Lungs

Central Nervous System Crossword

Type
Crossword
Description

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 Crossword

Type
Crossword
Description

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

Ch. 9 Anatomy Vocab Crossword

Type
Crossword
Description

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

Cells Answer Key Crossword

Type
Crossword
Description

The basic building blocks of all living things. Cell
A group of similar cells that live and work together Tissues
A collection of tissues joined in a structural unit to serve a common function. Organ
A group of organs that work together to perform one or more functions. Organ System
An individual life form. Organism
Surrounds the cytoplasm of a cell and gives the cell structure and support. Cell Membrane
A gel-like substance inside the cell that contains all the cell parts and organelles. Cytoplasm
A group of tissues that work together to perform a specialized function or functions. Organelles
Molecules that contain all the genetic material and traits for each organism. DNA
Molecules are single stranded nucleic acids composed of nucleotides. RNA
A type of plastid that contains chlorophyll which is where photosynthesis takes place. Chloroplast
An organelle that modifies,sorts,and packs molecules and stores or sends it when needed. Golgi Complex
Often known as the "powerhouses" of the cell, this organelle generates energy for the cell through cellular respiration.​This means it takes in nutrients from the cell, breaks it down, and turns it into energy. Mitochondria
An organelle in both plant and animal cells that provides support and participates in a variety of cellular functions including storage, protection, and growth. Vacuole
Sacs of enzymes that digest food, water, and waste Lysosomes
Extensive network of membranes composed of both regions with ribosomes (rough ER) and regions without ribosomes (smooth ER). Endoplasmic Reticulum
Tiny structures bound by a membrane that contain enzymes that produce hydrogen peroxide as a by-product. Peroxisomes
The outermost covering of a cell that protects the cell and gives it shape & support. Cell Wall
Multicellular organism Eukaryote
Unicellular organism Prokaryote
Organisms made up of only one cell Unicellular Organisms
Organisms made up of two or more cells Multicellular Organisms
Chemical compound that contains carbon atoms. Organic Compound
Molecules that allow organisms to transfer genetic info from one generation to the next. There are two types of nucleic acids: DNA and RNA. Nucleic Acid
Consisting of RNA and proteins, they are responsible for protein production and assembly. Ribosomes
A substance made entirely of one type of atom. Element
The smallest unit of a substance that maintains the properties of that substance. Atom
Membrane bound structure that contains the cell's hereditary information and DNA. Also controls all of the cells activities. Nucleus
A membrane which surrounds the genetic material and nucleus in eukaryotic cells. Nuclear Membrane
A structure inside the cell nucleus that rewrites ribosomal RNA (rRNA) and combine it with proteins, results in the formation of incomplete ribosomes. Nucleolus
Tubelike structures that aid in cell division and Celiogenesis, are generally are found close to the nucleus Centrioles
A theory that descibes the basic characteristics of all cells and organisms. It is one if the foundational ideas of modern biology Cell Theory

CELL BIOLOGY Word Search

Type
Word Search
Description

ecosystem
community
population
dna
organelles
protein
leeuwenhoek
cell theory
virchow
schwann
hooke
cell wall
cell membrane
photosynthesis
nucleus
golgi body
mitochondria
vacuole
cytoplasm
chloroplast
cell growth
carbon dioxide
sexual reproduction
organ system
cell
organ
tissue
muscle
asexual reproduction
cell division

Nervous System Crossword

Type
Crossword
Description

Main organ of the Nervous System Brain
Thin layer that protects the brain Membrane
Another word for skull Cranium
Type of spinal nerve Sacral
Connects the brain to the nerves in the whole body spinal cord
Long fibers that lead to all parts of the body from the spinal cord Nerves
A sensory receptor for the nose Smell
Type of sensory organ that allows you to see Eyes
The gap between the axon of one cell and the dendrit of another cell Synapse
Long fibers that carry messages away from the cell body axon
Branching fibers that bring messages toward the cell body Dendrite
Examples are: Brain, Spinal Cord, Nerves, Neurons organ
Specialized structures that respond to sensory stimuli receptors
A type of sensory receptor that lets you feel temperature cold
Chemical _____ carry messages across the synapse neurotransmitters
Nerves resemble these fibers
Sensory organ that allows you to hear ears
A function of the nervous system - to receive ___ from the environment stimuli
The brain sends instructions to glands to release these hormones
The brain sends instructions to these muscles