Blood flow from the heart, to the lungs, and back to the heart is known as the:

A) pulmonary circulation. B) systemic circulation.
C) pericardial circulation. D) coronary circulation.


Answer: A

Biology & Microbiology

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An enzyme binds its substrate at the active site

__________________ Indicate whether the statement is true or false.

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Fill in the blank(s) with the appropriate word(s).

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