Which of the Following Statements Concerning the Maturation of the Reproductive

question 38

Multiple Choice

Which of the following statements concerning the maturation of the reproductive system is true?

• A)Early menstrual cycles are usually regular.
• B)Boys' initial ejaculations usually contain sufficient sperm to fertilize an egg.
• C)In the first months of menstruation, girls cannot predict when they ovulate.
• D)At about age 17, boys have their first spontaneous ejaculation.

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Definitions:

WBCs

White Blood Cells; cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Macrophages

A type of white blood cell part of the immune system, responsible for detecting, engulfing, and destroying pathogens and cellular debris.

Lymphocytes

A type of white blood cell that plays an essential role in the body’s immune response, involved in protecting the body against antigens.

Lymphocytes

White blood cells that play a significant role in the immune system, including T cells and B cells.