Which of the following statements is false?
a. The systemic circuit initially carries oxygenated
blood.
b. Humans have an open circulatory system.
c. The function of the heart is to generate pressure
to make blood flow through the circulatory
system.
d. The rate of blood flow varies throughout the
circulatory system.
e. Excess interstitial fluid is returned to the
circulatory system in the lymphatic system.
Answer: b
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