A 3-month-old boy is brought to the clinic by his mother ...

F. Proper heart functioning is essential for delivering blood. 1. As blood returns from the body: a. It is pumped from the right side of the heart to the lungs. b. Oxygenation and ventilation take place. c. Oxygenated blood enters the left side of the heart and is pumped to the body. 2. Ability to pump blood depends on: a. A functional pump ... ................
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