Male and Female Reproductive Systems

This set of flashcards covers key concepts related to male and female reproductive systems, conception, and the development of twins.

What is the primary function of the male reproductive system?

To produce and deliver sperm to the egg for fertilization.

What is the function of the sperm duct?

It transports sperm and semen to the urethra and penis.

What organ carries both urine and sperm to the outside of the body?

Urethra.

What do seminal vesicles produce?

Fluid that is added to sperm to form semen.

What is the role of the epididymis in male reproduction?

It serves as a storage area for sperm and links the testes with the sperm duct.

What is the function of the scrotum?

To keep the testes at an optimum temperature for sperm development.

What is fertilization in the female reproductive system?

The process where the ovum is penetrated by one sperm.

What structure extends from the ovary to the uterus and is typically where fertilization occurs?

Fallopian Tube.

What is the purpose of the uterus?

To support the developing baby and shed its lining during menstruation when an egg is not fertilized.

What happens during ovulation?

The mature ovum leaves the ovaries.

How do identical twins occur?

When one egg is fertilized by one sperm and then splits.

What distinguishes fraternal twins from identical twins?

Fraternal twins arise from two separate eggs fertilized by two different sperm.

What is conception?

The process where the ovum is penetrated by one sperm and fertilization occurs.

What is a blastocyst?

The ball of cells that implants into the uterus wall after fertilization.

What is the impact of sperm exposure during ovulation?

The cervix opens for sperm entry, allowing some sperm to survive in cervical folds.

What is the significance of the genetic material combining after fertilization?

It creates a genetic code that determines physical traits like gender and hair color.

What is the term for twins resulting from two fertilized eggs?

Fraternal twins or dizygotic twins.