How many buffer systems does the body have?
a. one
b. two
c. three
d. four
e. five
d
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Most hormones are made of chains of amino acids and are therefore
A. steroids. B. biogenic amines. C. proteins. D. catecholamines.
Match the enzyme with the products of its digestive activity.A. Glucose and galactoseB. Amino acidsC. Fatty acids and glycerolD. Maltose and isomaltoseE. Polysaccharides and disaccharidesLactase
Fill in the blank(s) with the appropriate word(s).
The action of the gastrocnemius is to
a. extend and adduct the femur b. plantar flex the ankle and flex the knee c. dorsiflex the ankle and extend the knee
Any structure, either nerve endings or nerve endings combined with other tissue, that is specialized to detect a stimulus is a...
A. Motor neuron B. Interneuron C. Sensory neuron D. Sensory receptor E. Effector organ