Layer C, Task 7 Flashcards
1
Q
Central nervous system
A
Brain + spinal cord
2
Q
Nervous system
A
Organ system made up of brain, spinal cord & peripheral nerves
3
Q
Peripheral nervous system
A
Carries signals between body + CNS
4
Q
3 types of peripheral nerves
A
- Voluntary (somatic)
- Involuntary (autonomic)
- Sensory (afferent)
5
Q
How is the central nervous system protected?
A
By bones (skull, spine, cerebrospinal fluid)
6
Q
What is nerve tissue made of?
A
Nerve cells
7
Q
Nerve cells
A
Communication specialists that conduct electrical signals (nerve impulses) throughout body
8
Q
Myelin sheath
A
Insulation, prevents electrical impulses from passing to wrong neuron
9
Q
Nerves
A
Bundles of neurons surrounded by connective tissue
10
Q
Sensory receptors
A
Special cells/tissues that receive input from external environment and send signals to CNS
11
Q
Sensory organs
A
Eyes, ears, mouth, nose, skin, muscles
12
Q
A
