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The Female Reproductive System. What is the purpose of the female reproductive system?. Purpose? Making an egg Getting sperm and egg together Protecting and nurturing the growing embryo. The Female Reproductive System. What are the parts of the reproductive system ? Uterus Cervix
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The Female Reproductive System
What is the purpose of the female reproductive system? Purpose? • Making an egg • Getting sperm and egg together • Protecting and nurturing the growing embryo
The Female Reproductive System What are the parts of the reproductive system? • Uterus • Cervix • Fallopian Tubes • Ovaries • Vagina
Ovaries What is the purpose of the ovaries? • Produces Hormones • Releases eggs • are the size of almonds
Fallopian Tubes What is the purpose of the fallopian tubes? • Transports egg to the uterus • Where fertilization happens
Ovulation ovary egg fallopian tube
Uterus What is the purpose of the uterus? • Where the baby grows • Expands as the baby grows • Muscular tissue that pushes the baby out during labor
Uterus Do you think all animals have a uterus?
Not all animals have a uterus. Kangaroo babies grow inside the mom's pouch. Frogs leave their eggs in water to develop.
Humans and other mammals keep the developing baby inside their bodies, in the uterus.
Cervix What is the purpose of the cervix? • Opening to Uterus • Holds baby in Uterus • Opens to let baby out of Uterus
Vagina What is the reproductive purpose of the vagina? • Where sperm is deposited • Birth Canal
Egg • Released by the ovaries • Travels down fallopian tube • Can’t swim ( no tail) • Fertilized in fallopian tube • Implants into uterus lining • Size of a pencil dot
The Male Reproductive System
Testes • Contained in the Scrotum • Within each testis are clusters of hundreds of Seminiforous tubules • Which makesperm • produces testosterone • Need to be kept at a slightly lower temperature
Epididymis • Located on top of the testes • Sperm mature here • Sperm stored here 2-4 days
Vas Deferens 18 inch tube carries sperm from epididymis to urethra
Vas Deferens There are two tubes, one on each side.
Glands • Seminal Vesicle, prostate & bulbourethral • Make seminal fluid which nourishes sperm & protects from acidic female reproductive tract • Sperm + seminal fluid= semen • 50-130 million sperm/mL
Penis • Used to deposit sperm into female
Sperm • Produced in the testes • Mature and stored in the epididymis • Travel through vas deferens to urethra • Ejaculated from urethra • Deposited in vagina • Swim through cervix and uterus • Swim into fallopian tubes to fertilize egg
Sperm Which is human sperm?