I eat an egg every morning.

An ovum is a female reproductive cell.

What is this organism?

He received the letter challenging him to a duel and began preparing for the duel.

Gender roles are an important element in defining individual behavior in society.

His role is to fulfill his responsibilities as a leader.

It is important to understand the importance of health.

The health of the reproductive organs greatly affects overall health.

Sexual reproduction is one of the methods of reproduction in organisms.

Asexual reproduction is a method where the parent's genetic information is directly passed on to the offspring.