Coordination and Response — Practice Questions

Question 1

A change that the body reacts to is a:

Accepted Answer

stimulus — A change that triggers a reaction is a stimulus.

Question 2

Which gives FAST responses using electrical signals?

Accepted Answer

Nervous system — The nervous system is fast.

Question 3

Which gives slower, longer-lasting responses using chemicals?

Accepted Answer

Hormones — Hormones act more slowly and last longer.

Question 4

A fast, automatic protective response is a:

Accepted Answer

reflex — A fast automatic response is a reflex.

Question 5

Which is a sense organ?

Accepted Answer

The eye — The eye is a sense organ.

Question 6

The brain and spinal cord form the:

Accepted Answer

central nervous system — They form the central nervous system.