AnswersGV 2018 - P.E. Health Science Concepts - PE361The Heart

The Heart Answers

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1
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The pulmonary artery is the only artery that contains

A
oxygen-poor blood.
B
plasma.
C
platelets.
D
white blood cells.
2
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What do only veins contain that help with blood flow?

A
oxygenated blood
B
capillaries
C
small valves
D
muscle

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