Chapter 7 Flashcards
1
Q
Controlling and communicating
A
Nervous system
2
Q
- brain
- spinal cord
- anteriores, superior
A
Central nervous system
3
Q
- spinal nervous (31 pairs)
- cranial nervous (12 pairs)
A
Peripheral nervous system
4
Q
Concentration of the nerves system is at the head end
A
Cephalzation
5
Q
Growth layers also know as
A
Germ layers
6
Q
Outside skin (produce nerves system)
A
Ectoderm
7
Q
Middle skin ( muscles and bones )
A
Mesoderm
8
Q
Itermost skin
A
Endoderm
9
Q
Negative inside, positive outside
A
Polarized
10
Q
Opposite of polarized
A
Depolarization
11
Q
Sodium ion share pushed out of the neuron by an active transport
A
Sodium-potassium pump
12
Q
3 functions of a nerves system:
A
- Monitor changes (stimuli), gathered information is sensory input
- Process and interpret sensory I put, makes decisions - integration in spinal cord for brain
- Effects a response- motor output (response from muscles or glands)
13
Q
Muscle coordination
A
Cerebellum
14
Q
Hart rate, respirations
A
Medulla oblongata
15
Q
Relay messages to other brain parts
A
Thalamus
