SCIENCE FORM 3 CHAPTER 1_1

What is the main function of human nervous system?

• To transport gases and nutrients to the cells

• To controls our body coordination

• To repair damaged cells and tissues

• To controls human's growth

Choose two main parts in human nervous system.

• Cranial nervous system

• Peripheral nervous system

• Central nervous system

• Spinal nervous system

The part of brain which controls voluntary actions is known as....

• Cerebellum

• Medulla Oblongata

• Cerebrum

• Brain stem

The action which is produced under our conscious thought is known as....

• reflex action

• voluntary action

• involuntary action

The action which is produced WITHOUT our conscious thought is known as....

• reflex action

• voluntary action

• involuntary action

The part of brain which controls involuntary actions is known as....

• Cerebellum

• Medulla Oblongata

• Cerebrum

• Brain stem

Choose all the voluntary actions:

• Sneezing

• Breathing

• Gossiping

• Typing

Choose all the involuntary actions:

• Dilation of pupil

• Breathing

• Winking the eye

• Peristalsis

Which of the following ARE the example of reflex actions?

• Running away from a fierce dog

• Withdrawing hand when touching a hot object

• Secretion of saliva

• knee-jerk action

Which of the following is the correct sequence of pathway in voluntary action?

• stimulus-effector-brain-affector-response

• stimulus-affector-brain-effector-response

• stimulus-muscle and gland- brain-receptor-response

• stimulus-response-effector-brain-affector