REPRODUCTION:THE CONTINUITY OF LIFE

Prepared by:Erlison Lorenz M. Ognilla

What is the importance of producing new organism?

What do you think is your purpose in life?

Reproduction -is the ability of anorganism to produce new individuals is one of the characteristics thatdistinguishes living things from nonliving things.

Human body

Reproductive system

Male Reproductiv

e system

Female Reproductiv

e system

Primary organstestes

Primary organ ovaries

Testesproduce

Ovariesproduce

Testosterone

(hormone)sperm Ovum Estrogen

If fertilization occurs developed into

Zygote

Undergoes developme

ntSecondary

sex characteristi

cs

Responsible forResponsible for

Progesterone

If no fertilization

(menstruation)

Reproduction

Asexual- one organism

produces by itself

Sexual- two parents needed

One celled organism

Plants, animals, humans

•Reproduction is a very unique activity of the body. It is a process by which organisms produce their own kind. It is the key for the continuous life on Earth.

•Human can’t reproduce on their own. The reproductive organ of the male is different from the female. When the sperm cell of the male unites or fertilizes the egg cell of the female fertilization takes place. The fertilized egg is called zygote.

How do boys differ from girls?

Why is there a need to study/have knowledge on the reproductive organ of the male?

How important is your reproductive organ (male)?

Male Reproductive System

Sperm cell- male sex cell

Epididymis-stores sperm cells and connects to the vas deferens

Female Reproductive Organ

Stages of Human Development

Four Stages of Life Development

1.Infancy- birth up to 2 years old2.Childhood- 2 yrs old up to 11 or

12 yrs old3.Adolescence- 11 or 12 through

teen age years4.Adulthood- 21 years old and

above

Puberty and your body