Protists include
A. Yeats and molds
B. Algae and protozoa
C. Helminths
D. All of the choices are correct
E. None of the choices are correct
Answer: B. Algae and protozoa
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The exhalation of air from human lungs is driven by _____
A) a decrease in the volume of the thoracic cavity B) a decrease in the residual volume of the lungs C) the contraction of the diaphragm D) the closure of the epiglottis E) the expansion of the rib cage
What would a scientist see when looking through a microscope at a piece of shoulder muscle?
A. striations with branched fibers B. no striations and unbranched fibers C. no striations and branched fibers D. striations with unbranched fibers E. None of the answers are correct.
Refer to Figure 37-4. Which of the fruits listed would be classified as an accessory fruit?
a. a
b. b
c. e
d. i
e. k
An electrocardiogram (ECG, EKG) is a measure of the heart's:
a. electrical system. b. blood flow to the body. c. contraction rate. d. blood flow to heart muscle. e. pumping ability.