Reproductive System

Reproductive System

I. Reproduction

A. Two kinds of Reproduction

1. Sexual Reproduction

2. Asexual Reproduction

II. Human Reproductive System

A. Male Reproductive System

B. Female Reproductive System

1. Menstrual Cycle

III. Fertilization

A. Pregnancy

1. Stages

B. Birth

1. Fraternal Twins

2. Identical Twins

REPRODUCTIVE SYSTEM

process by which human beings, plants and animals create more of

their own kind.

a new organism is formed from the union of two sex cells that come from two different parents in most cases.

-new organism develops from parts of, or pats produced by only one parent.

Human Reproduction

oresponsible for the male sex hormoneoresponsible for the transfer of sperm cell to the female reproductive organoresponsible for the male sperm production

RESPONSIBLE FOR:

ofemale sex hormoneoreception of egg cell to the sperm cell from the maleonourishment and development of a new individualoproduction of the egg cell or the ovule

Menstrual Cycle

Fertilization

The union of sperm cell with the egg cell that ma occur after a male

and a female have had sexual intercourse.

begins when a fertilized egg attaches itself to the lining of the uterus.

How does a fertilized egg cell

becomes a whole

person?

placenta

Umbilical cord

Amniotic fluid

Birth

-begins when the muscles of the uterus become active causing the mother to have labor pains.

How do twins start growing?

Fraternal twins

Identical twins

PENIS

The penis is the male organ for sexual intercourse.

SEMINAL VESICLESac-like pouches that attach to the vas deferens near the base of the bladder.

PROSTATE GLANDWalnut-sized structure that is located below the urinary bladder in front of the rectum.

TESTECLESThe testes are oval organs about the size of large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord.

VAS DEFERENCEA long, muscular tube that travels

from the epididimis into the pelvic cavity, to just

behind the bladder.

SEMINAL VESICLESac-like

pouches that attach to the vas

deferens near the base of the

bladder.

EPEDIDIMIS

A long, coiled tube that rests on the backside of each testicle.

PROSTATE GLANDThe prostate gland is a walnut-sized structure that is located below the urinary bladder in front of the rectum.

urethraThe tube that transports semen and urine, is at the tip of the glands penis.

bladder

A hollow stretchable organ in the

lower abdomen.

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