Reproductive System The function of the reproductive system

Reproductive System The function of the reproductive system is to create new humans.

Semen: -the fluid that carries the sperm Male Sperm: -the cell that contains the man’s DNA/ chromosomes Pelvic bone Seminal vesicle Vas deferens Prostate gland Makes hormones “crossing guard” anus Erectile tissuse penis epididymis Ejaculation: -the event when the Sperm is released urethra testicle scrotum The “bouncer” Collects mature sperm Creates sperm

The Path of Sperm

Female Ovulation: -the release of an egg Fallopian tube uterus ovary Eggs are developed cervix vagina labia Where the baby grows

Ovulation • http: //www. youtube. com/watch? v=n. Lmg 4 w. SHdx. Q

• Each month women go through (typically) a 28 day cycle. • Not every woman’s cycle is the same • The cycle starts when the woman’s period starts. • Women typically have their period for 5 -7 days • Ovulation usually happens around day 14. • Once the egg is released it only live 24 hours! • Girls get their first period typically around the age of 12. • Menopause is the name for when a woman stops getting her periods. • Menopause usually happens between 45 -& 55. Menstruation

Conception • Sperm and egg meet Facts: • Sperm can live 3 -4 days inside the woman • A woman needs at least 22% fat to conceive. • The highest chance of getting pregnant is when a couple has sex 1 -2 days BEFORE ovulation.

Zygote Division

How do twins happen? Fraternal Twins • Come from 2 eggs & 2 sperm • Separate conception • Have different DNA • Could actually be from 2 different fathers! • Not any more alike than any other sibling. Identical Twins • Come from 1 egg & 1 sperm • Zygote separates • Have same DNA

Disorders of the R. S. Men • Erectile Dysfunction: when a man can’t create or sustain enough of an erection to have intercourse. Possible causes: too much alcohol use, stress, poor circulation • Prostate Cancer Women • Endometriosis: when the type of tissue that grows inside your uterus also grows on the outside. During your period the blood outside the uterus sheds too but doesn’t have anywhere to go. Symptoms: pain, cysts. • Cervical Cancer Both • Infertility: Can be caused by many things. Sometimes there is treatment, sometimes there isn’t.