S1 BIO 2.47 Nervous system

What are the two types of human nervous system? (please choose two)

• Central nervous system

• Somatic nervous system

• Peripheral nervous system

• Automatic nervous system

The brain and spinal cord are part of ____ nervous system.

• central

• autonomic

• somatic

• peripheral

Cranial nerves, spinal nerves and all the other nerves throughout the body are part of the ______ nervous system.

• central

• autonomic

• somatic

• peripheral

4. Information are transmitted along the nervous system in the form of _____.

• message

• nerve impulse

• hormones

• receptors

Nerve cells are also known as:

• nerves

• neurones

• brain cells

• impulse

Name structure labelled as 2.

• dendrite

• cell body

• axon

• myelin sheath

Name the structure labelled as 3.

• axon

• dendrite

• myelin sheath

• node of Ranvier

This is a fatty layer that insulates the electrical impulse and increases the speed of impulses going down the axon.

• dendrite

• cell body

• myelin sheath

• nodes of Ranvier

Which neurone transmits nerve impulses from sense organ to central nervous system?

• sensory neurone

• motor neurone

• relay neurone

Which neurone transmits nerve impulses from central nervous system to effectors?

• sensory neurone

• motor neurone

• relay neurone