(Q).
Q: What paired organs together receive about 25 percent of cardiac output and are protected in the retroperitoneal space by the renal fat pad and overlying ribs and muscle? Choices: - hands - lungs - brain - kidneys A:
(A).
kidneys

(Q).
Q: Gradual degradation of a material due to its exposure to the environment is known as what? Choices: - metabolism - erosion - destruction - corrosion A:
(A).
corrosion

(Q).
Q: What term describes a way that small molecules or ions move across the cell membrane without input of energy by the cell? Choices: - physical transport - impassive transport - immune transport - passive transport A:
(A).
passive transport