Anatomical (external) structure of the nervous system

Question 1

What two divisions does the nervous system consist of?

Answer 1

1) The Central nervous system - CNS
2) The peripheral nervous system - PNS

Question 2

What is the function of the CNS?

Answer 2

The CNS controls all voluntary muscle movement and sensations in the body.

Question 3

What is the function of the PNS?

Answer 3

transmits signals from the central nervous system to the rest of the body, and vice versa.

Question 4

What is part of CNS?

Answer 4

Brain and spinal cord

Question 5

What is part of PNS?

Answer 5

Spinal and cranial nerves.

Question 6

What are the functional divisions for PNS?

Answer 6

Somatic nervous system
Autonomic nervous system;

Question 7

What are two basic types of cells in the nervous system?

Answer 7

Neurons and glial cells

Question 8

What are the 4. different types of neurons in the nervous system?

Answer 8

1) Pseudounipolar
2)Multipolar
3)Bipolar
4)Unipolar

Question 9

What are long and conduct impulses away from the neuronal body?

Answer 9

Axons

Question 10

What are short and act to receive impulses from other neurons, conducting the electrical signal towards the nerve cell body?

Answer 10

Dendrites