Skin, ears, and kidneys are examples of _____________.
A) organ systems
B) tissues
C) cells
D) organs
Ans: D) organs
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Which statement is correct?
a. Carbohydrates are absorbed by active transport in the small intestine. b. Fat is absorbed by active transport in the small intestine and enters the lymph. c. Protein is absorbed primarily by pinocytosis. d. Water-soluble vitamins are carried in the micelles, which are water-soluble. e. Chylomicrons dissolve in the lipid portion of the plasma membrane to enable fat to enter the intestinal cell from the lumen.
What particle is formed when an acid loses a proton (H+)?
A. Conjugate acid B. Buffer C. Salt D. Conjugate base
The directional term that means "in back of" or "toward the back surface" is
A. posterior. B. proximal. C. caudal. D. anterior. E. cephalic.
What structure is cut and tied off in a vasectomy?
A) the penis B) the epididymis C) the urethra D) the seminiferous tubules E) the vas deferens