STAGES OF LIFE Biology Teacher Alejandra Ortiz Gutierrez

STAGES OF LIFE. Biology Teacher: Alejandra Ortiz Gutierrez Team incomplete 1 C

Introduction: In our life we have many stages of growing and each one have importance in our time in the earth such as born. But each stage of our live is important and have an order, before born you need to be a fetus and before this you was a embryo , so the order is this:

Fertilization: Fertilization is the process when the ovary get fertilized by the sperm in the act of reproduction. This stage you still being a sperm without organs, just like a seed in the land.

Embrion:

Fetal:

Born: Born is when you finally are a human being, your organs are complete and you are prepared for live outside the utherus. But firts your mother do something called delivery that is when the doctor help your mother to take you out of the utherus in a surgery.

Baby:

Childhood:

Puverty: Is the process of physical changes by which a Childs body matures into an adult body capable of to enable fertilization. It is initiated by hormonal signals from the brain to the gonads; the ovaries in a girl, the testes in a boy. In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones, muscle, blood, skin, hair, breasts, and sexual organs. Physical growth—height and weight—accelerates in the first half of puberty and is completed when the child has developed an adult body. Until the maturation of their reproductive capabilities, the pre-pubertal, physical differences between boys and girls are the genitalia, the penis and the vagina.

Adolescence:

Adulthood:

Ancianity:

Death: Is the permanent cessation of all biological functions hat sustain a living organism. Thus death can be a state (being dead), the process of extinction (dying), or one of three events that occur during the dying process. Death in all of these senses can be further distinguished from events