The organ that absorbs water and salts and that produces and absorbs some vitamins, but does not otherwise participate in digestion, is the
A. large intestine.
B. stomach.
C. mouth.
D. small intestine.
E. esophagus.
Answer: A
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The following is a list of structures of the male reproductive tract.
1. ductus deferens 2. urethra 3. ejaculatory duct 4. epididymis Identify the order in which sperm pass through these structures from the testes to the penis. A) 1, 4, 3, 2 B) 4, 1, 3, 2 C) 4, 1, 2, 3 D) 4, 3, 1, 2 E) 1, 3, 4, 2
Which of the following best describes the orbicularis oris?
A) It draws the eyebrows together. B) It pulls the lower lip down and back. C) It closes, purses, and protrudes the lips. D) It allows blinking and squinting of the eyes.
Any process, such as endocytosis, that causes massive changes in the cell membrane must expend energy and be active by definition.
a. true b. false
A man presents with median nerve palsy in his left hand. What is the most likely site of injury?
a) Dorsal scapular nerve b) Intercostal nerve c) Lumbar plexus d) Median nerve e) Radial nerve