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
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The outermost layer of the kidney is the
A) renal cortex. B) renal medulla. C) major calyx. D) fibrous capsule. E) renal pelvis.
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
__________ 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
In this close-up image of a lung, what structure does number 1 indicate?
A. Alveolar duct B. Respiratory bronchiole C. Terminal bronchiole D. Bronchiole E. Alveolus