How Many Pairs of Chromosomes Are in Each Cell of the Human

question 53

Multiple Choice

How many pairs of chromosomes are in each cell of the human body?

• A) 46
• B) 23
• C) 21
• D) 22

---

Definitions:

Residual Volume

The amount of air left in the lungs after a forced exhalation, which cannot be voluntarily expelled.

Pulmonary Edema

A condition characterized by excess fluid in the lungs, making it difficult to breathe and leading to potential heart failure if not treated.

Pulmonary Embolism

A blockage in one of the pulmonary arteries in the lungs typically caused by blood clots that travel from the legs or other parts of the body.

Heart Function

The heart's role in pumping blood throughout the body, supplying oxygen and nutrients to tissues, and removing carbon dioxide and wastes.