Unit Test — Unit test Answers

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The picture is a cross section of a bone.

Question illustration
A
X-compact; Y-spongy
B
X-spongy; Y-marrow
C
X-spongy; Y-compact
D
X-marrow; Y-spongy
24

Which explains how the nervous system is typically involved in keeping the body in homeostasis?

A
It processes the environment and sends out signals.
B
It controls movement and provides structure.
C
It physically breaks down and absorbs food.
D
It puts oxygen in the blood, which is essential for life.

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Unit Test — Unit test Answers — IL-Science 7 A