Kevin Burns 5

question 69

Multiple Choice

Kevin burns 5.5 cal\min by walking at a speed of 4.5 miles per hour. He is also able to have a conversation while performing this moderately intense physical activity. What effect does this activity have on his breathing and heart rate?

• A)Little to no change in his breathing and heart rate
• B)A slight change in his breathing but no change in his heart rate
• C)A slight increase in both his breathing and heart rate
• D)No change in his breathing but a significant change in his heart rate
• E)A significant change in both his breathing and heart rate

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Definitions:

Primary Sex Characteristics

The physical characteristics directly involved in reproduction, developing during puberty, including the ovaries in females, and the testes in males.

Body Parts

The distinct pieces or structures that make up the human or animal body.

Dehydroepiandrosterone

A steroid hormone produced by the adrenal glands that serves as a precursor to other important hormones like testosterone and estrogen.

Gonadotropin Releasing Hormone

A hormone produced in the brain that triggers the release of hormones involved in sexual development and reproduction.