Blood vessels have a small,central opening or ________ through which the blood flows.
A) capillary
B) endothelium
C) lumen
D) valve
Correct Answer:
Verified
Q99: The combining form isch/o-,as seen in the
Q100: The combining form ventricul/o- means "_;ventricle."
A)conduction system
B)fluid-filled
Q101: Most women experience angina pectoris as _.
A)indigestion
Q102: The heart contains four chambers;the upper two
Q103: The smaller branches of an artery are
Q105: Which of the following is NOT one
Q106: Of the following,which is the largest blood
Q107: The combining form circulat/o-,as seen in circulation,means
Q108: The combining form coron/o-,as seen in coronary
Q109: The combining form atri/o- means "atrium _._."
A)artery
B)heart
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