Answer:
There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood. These valves are actual flaps that are located on each end of the two ventricles (lower chambers of the heart).
Explanation:
Explanation:
Since the unit conversion from pounds (lbs) to kilograms (kg) follows the relation
,
Using dimensional analysis, the correct dosage in units of mililitres is
.
Answer:
sedative, such as lorazepam (Ativan) or chlordiazepoxide (Librium).
Explanation:
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The consumption of dietary supplements are considered risky because they are not officially tested by the government for effectiveness because manufacturers label them as natural but put harmful substances in them because their use can cause mental problems such as paranoia and irritability. (Give me the crown please )