A cavy is
a. rabbit c. guinea pig
b. hamster d. rat
C
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Invertebrate muscle, like vertebrate muscle,
A) Has two major forms of muscle (striated and smooth). B) Utilizes thick and thin filaments in contraction. C) Makes use of obliquely striated muscle. D) Both A and C
In a reversible reaction, when the rate of product formation is equal to the rate of reactant formation, the reaction is
A. in danger of exploding. B. a net decomposition reaction. C. a net synthesis reaction. D. stopped. E. at equilibrium.
All of the following happen to the cardiovascular system as a result of aging and hypertension except what?
A. The vessels thicken and become less elastic. B. The heart becomes less efficient due to decreased resting stroke volume which decreases cardiac output. C. Vascular resistance increases with age in individuals with hypertension. D. All of these happen to the cardiovascular system as a result of aging and hypertension.
The exchange of oxygen and carbon dioxide between air in pulmonary alveoli and blood in capillaries occurs by ________.
A. filtration B. osmosis C. diffusion D. active transport