★ Cardiovascular System Quiz
The Semi Lunar valves opens when
A. the pressure in the ventricle becomes lower than the arteries
B. the pressure in the ventricle becomes higher than the arteries
C. during atrial systole
D. during ventricular diastole
Select your answer:
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Organ Systems › ViewWhich body system’s main purpose is to help the body move?
A. muscular
B. skeletal
C. respiratory
D. excretory
Pathophysiology › View
A breathing rate that is too slow will result in an excess buildup of ____ in the blood.
A. oxygen
B. carbon dioxide
C. water
D. cytoplasm