The answer is
A. Hand washing
Answer:
Vital registration is the system by which a government records the vital events of its citizens and residents.
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Explanation:
The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.
