What drives the return of blood to the heart in the systemic veins?
A) Muscles squeezing blood through the veins
B) Ciliated cells lining the inside of the veins
C) The lymphatic system
D) Contractions of the left auricle
Correct Answer:
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A) enlarged prostate.
B) atherosclerosis.
C)
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A) VHDL
B) LDL
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A) Platelets
B)
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A) clot blood.
B) are formed
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