Term
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Definition
The electrochemical communication system of the body
a. nervous system
b. central nervous system
c. peripheral nervous system |
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Term
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Definition
A nerve cell; the basic building block of the nervous system
a. nerve
b. dendrite
c. neuron |
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Term
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Definition
The branching extensions of a neuron that receive information and conduct impulses toward the cell body
a. axon terminals
b. myelin sheath
c. dendrites |
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Term
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Definition
The cell body of a neuron, which contains the nucleus and other parts that keep the cell healthy and functioning properly
a. soma
b. myelin sheath
c. axon |
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Term
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Definition
The extension of a neuron through which neural impulses are sent
a. dendrites
b. soma
c. axon |
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Term
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Definition
covers the long axons and protects the axon and the speeds up the transmission of information.
a. axon terminal
b. myelin shealth
c. soma |
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Term
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Definition
The endpoint of a neuron where neurotransmitters are stored
a. dendrites
b. axons
c. axon terminals |
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Term
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Definition
the impulse when neuron fires
a. resting potential
b. action potential
c. refractory period |
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Term
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Definition
The “recharging phase” during which a neuron, after firing, cannot generate another action potential
a. action potential
b. resting potential
c. refractory period |
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Term
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Definition
The state of a neuron when it is at rest and capable of generating an action potential
a. action potential
b. resting potential
c. refractory period |
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Term
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Definition
states that if a neuron fires it always fires at the same intensity
a. all-or-nothing principle
b. all-for-one principle
c. all-or-none principle |
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Term
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Definition
The tiny, fluid filled gap between the axon terminal of one neuron and the dendrite of another neuron
a. neurotransmitters
b. synapse
c. dendrites
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Term
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Definition
In this gap (synapse), chemical messengers
a. hormones
b. neurons
c. neurotransmitters |
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Term
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Definition
Your “antennae”
Specialized cells in the sensory systems
a. sensory cells
b. receptor cells
c. motor cells
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Term
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Definition
Nerves that carry information from the sensory receptors to the spinal cord and brain.
a. motor nerves
b. sensory nerves
c. receptor nerves |
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Term
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Definition
Nerves that carry information from the brain and spinal cord to the muscles and glands for movement
a. sensory nerves
b. receptor nerves
c. motor nerves |
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Term
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Definition
Contains brain and spinal cord
a. sympathetic nervous system
b. central nervous system
c. central nervous system |
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Term
| peripheral nervous system |
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Definition
contains all sensory and motor nerves that connect brain and spinal cord to the rest of the body
a. sympathetic nervous system
b. central nervous system
c. peripheral nervous system |
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Term
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Definition
In PNS--body's skeletal muscles; control voluntary movement
a. somatic nervous system
b. somatic nervous system
c. peripheral nervous system |
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Term
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Definition
Part of PNS--control glands and muscles of internal organs and glands--involuntary functions (heartbeat, breathing, etc)
a. autonomic nervous system
b. somatic nervous system
c. central nervous system |
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Term
| Sympathetic Nervous System |
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Definition
Part of autonomic nervous system--arouses body to deal with perceived threats. Fight or flight response
a. parasympathetic nervous system
b. peripheral nervous system
c. sympathetic nervous system |
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Term
| Parasympathetic Nervous System |
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Definition
Part of autonomic nervous system--calms the body down after the fight or flight response
a. sympathetic nervous system
b. somatic nervous system
c. parasympathetic nervous system |
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Term
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Definition
One of the body's two communication system--set of glands that produce hormones
a. central nervous system
b. nervous system
c. endocrine system |
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Term
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Definition
chemical messengers produced in blood; similar to neurotransmitters
a. hormones
b. neurotransmitters
c. transmitters |
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Term
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Definition
the "master gland"--controls all other endocrine glands
a. thyroid
b. pituitary gland
c. pancreatic galdn |
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Term
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Definition
Gland that helps regulate energy level in the body (located in neck)
a. pancreatic gland
b. adrenal gland
c. thyroid gland |
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Term
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Definition
helps to arouse body in times of stress during fight or flight; releases adrenaline to enhance strength and endurance
a. adrenal gland
b. pituitary gland
c. pancreatic gland |
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Term
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Definition
regulates the level of blood sugar in the blood
a. thyroid
b. pancreatic gland
c. adrenal gland |
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Term
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Definition
| (2 answers) male sex gland AND male hormone |
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Term
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Definition
| (2 answers) Female sex gland AND female hormone |
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