One of the functions of the respiratory system is to alter the levels of carbon dioxide in the blood; thus regulating ________.

A. blood pH
B. blood pressure
C. blood volume
D. O2 levels
E. blood glucose levels


Answer: A

Anatomy & Physiology

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Minerals are ________, whereas vitamins are ________

A) inessential nutrients; essential nutrients B) inorganic elements; organic compounds C) micronutrients; macronutrients D) water-soluble elements; lipid-soluble compounds E) incomplete nutrients; complete nutrients

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__________ is due to hypersecretion of GH in childhood, whereas __________ is due to hypersecretion of GH in adulthood

Fill in the blank(s) with correct word

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In this close-up image of a lung, what structure does number 1 indicate?

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