Chapter 26: Male Reproductive System

What are gametes?

Sex cells.

What is the male gamete?

Sperm (spermatozoon).

What is the female gamete?

Egg (ovum).

What is the male and female gamete combined?

Zygote (fertilized egg).

What are primary sex organs (gonads)?

Organs that produce gametes (sex cells).

Male: Testes

Female: Ovaries

What are secondary sex organs?

Organs beside the gonads that are necessary for reproduction.

What are male secondary sex organs?

System of ducts, glands, and penis.

What are female secondary sex organs?

Uterine tubes, uterus, and vagina.

What are secondary sex characteristics?

Physical features that develop during puberty and distinguish male and females.

What are male secondary sex characteristics?

Facial and body hair, deep vocie, muscular physique.

What are female secondary sex characteristics?

Breast enlargement, body fat distribution, and finer body hair.

How many chromosomes do humans have?

46 chromosomes (23 pairs).