Homeostasis II

The diagram shows a capillary loop in the skin of a mammal.

What will the capillary loop look like if the mammal becomes cold?

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Tags

NGSS.HS-LS1-3

What would be the effects of vasodilation and sweating on the body temperature and on the amount of moisture on the surface of the skin?

• A

• B

• C

• D

Tags

NGSS.HS-LS1-3

During a long race, an athlete’s skin temperature rises. What causes this?

• A increased sweating

• B opening of the pores in the skin

• C vasoconstriction of the blood vessels in the skin

• D vasodilation of the blood vessels in the skin

Tags

NGSS.HS-LS1-3

Read the following sentence. In order to prevent the human body from losing heat, the arterioles supplying the skin become narrow.

Which process does this sentence describe?

• A constriction

• B shivering

• C sweating

• D vasodilation

Tags

NGSS.HS-LS1-3

When the body temperature rises above 37 °C, which changes help to return the temperature to normal?

• A

• B

• C

• D

Tags

NGSS.HS-LS1-3