In Mammals, Which Reaction to Cold, Limits the Amount of Heat

question 73

Multiple Choice

In mammals, which reaction to cold, limits the amount of heat an animal loses to its surroundings?

• A) shivering
• B) pressing hair shafts close to the body
• C) reducing blood flow to the skin
• D) going off to lie alone so that others do not take their heat

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Definitions:

Ultrasound Sonography

A diagnostic medical procedure that uses high-frequency sound waves to create images of the inside of the body, commonly used in pregnancy.

Blood Test

A medical procedure that involves the testing of a blood sample to evaluate health conditions, detect diseases, or measure the level of specific substances in the blood.

Mesoderm

The middle layer of an embryo in early development, from which the musculoskeletal, circulatory, and excretory systems of the body develop.

Ectoderm

Ectoderm is the outermost layer of cells or tissue of an embryo in early development, giving rise to the formation of the nervous system and skin.