THE NERVOUS SYSTEM Flashcards
1
Q
One of many functions of the nervous system
A
Responding to stimuli
2
Q
Evokes a person’s reaction
A
stimulus
3
Q
Body’s ability to maintain constant internal equilibrium
A
HOMEOSTASIS
4
Q
Basic cellular unit
A
Neuron
5
Q
Transmits impulses to and from
A
Neuron
6
Q
Three types of neurons
A
Sensory, motor, interneurons
7
Q
Afferent/ send impulses
A
Sensory neurons
8
Q
Efferent/ conduct impulses
A
Motor neurons
9
Q
Scatted throughout/ relay impulses
A
Interneurons
10
Q
Impulse to move from one neuron to another, it jumps across a space called __
A
synapse
11
Q
Certain _ help in transporting the message
A
Chemicals
12
Q
Chemical messengers are called
A
Neurotransmitters
13
Q
Neurons contain _
A
Nissl bodies
14
Q
The body sites of protein synthesis
A
Nissl bodies
15
Q
Neuron lacking a Nissl body is called
A
Axon
