What labeled structure in the figure increases the blood volume capacity of an atrium?
a) B
b) G
c) D
d) F
b
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As blood is pumped into the arterial trunks past the semilunar valves, it
A. pushes against the cusps, forcing the valves open. B. fills the cusps, causing them to expand and open up for the flow of blood. C. fills the cusps, causing them to expand and block the backflow of blood. D. pushes against the cusps, forcing the valves closed. E. None of these answers is correct.
Down Syndrome is an example of an aneuploidy called ________.
A. monosomy 21 B. disomy 21 C. monosomy 23 D. trisomy 21 E. trisomy 17
The fasciculus gracilis and fasciculus cuneatus would help us
A. perceive pain. B. tell if an object is rough or smooth. C. sense temperature. D. move our arms and legs. E. write a sentence.
Where is the cardiac plexus in the figure?
a) A b) B c) H d) I e) J