Excretion
a. is the removal of substances that were filtered at the glomerulus or secreted but not reabsorbed.
b. is the process by which a substance moves from the peritubular capillary blood to the tubular fluid.
c. conserves substances that are important to the body.
d. occurs by active transport of substances into the urinary bladder.
e. is controlled by sympathetic activity.
A
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An enzyme acts to
a) raise the activation energy needed to start the reaction. b) lower the activation energy needed to start the reaction. c) convert the activation energy into potential energy. d) convert the activation energy into kinetic energy. e) stop a chemical reaction.
What information about the Devonian tetrapods leads to the conclusion that tetrapods evolved in the water rather than on land?
What will be an ideal response?
Which one of these cranial nerves are NOT related to the tongue either for taste or for movement?
A. hypoglossal B. facial C. glossopharyngeal D. trigeminal
Which nerve transmits motor information to the effector in the light pupillary reflex?
A) Trigeminal B) Optic C) Abducens D) Oculomotor