The Hering-Breuer reflex
A. causes erratic respirations.
B. helps prevent overinflation of the lungs.
C. has its sensory components in the sympathetic nerves.
D. is a normal response to increased oxygen content in the blood.
E. limits how much air a person can expire.
B
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The velocity of blood flow in capillaries is
a. greater than that for arterioles b. greater than that for veins c. slow enough to favor adequate exchange of nutrients and wastes d. both a and b e. both a and c
Which of the following statements is true?
A. Normal filtrate contains a large amount of protein. B. Most filtrate (99%) is eliminated as urine. C. Hormones play a minor role in fluid homeostasis. D. Sodium ions are secreted into the filtrate of the proximal convoluted tubule. E. Reabsorption of water in the filtrate may be hormonally controlled.
A fluid-filled internal chamber that supports the body of an animal is known as a __________
Fill in the blank with the correct word.
Two good examples of a colloid would be Jell-O® and ________.
A) blood B) toenails C) urine D) cytosol