It Is Estimated That There Are a Total of 50-100

question 7

Multiple Choice

It is estimated that there are a total of 50-100 trillion cells in the human body. Starting from a fertilized egg, how many cell divisions would be required to produce 50 trillion cells, assuming that every cell divides in every cycle?

• A)455 divisions
• B)45.5 divisions
• C)100 divisions
• D)one division per day for nine months

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Definitions:

Stroke Volume

The volume of blood pumped from the heart's left ventricle per beat.

Cardiac Output

Cardiac Output is the volume of blood the heart pumps through the circulatory system in one minute.

End-Systolic Volume

The volume of blood remaining in each ventricle of the heart after systole, the contraction phase.

End-Diastolic Volume

The volume of blood in the ventricles at the end of diastole, immediately before contraction, reflecting the amount of blood ready to be pumped out of the heart.