Reproductive Anatomy

Meet 'The Question Box'

Female Anatomy: External

• The external organs are contained in an area called the Vulva:

• Outer labia• Inner labia• Hymen• Opening to the vagina• Clitoris

Female Anatomy: Internal

• Vagina:• Stretchable passage between the vulva,

cervix, and uterus• About 4 to 5 inches in length

• Also known as the: o birth canal o organ of intercourse

Female Anatomy: Internal• Cervix:

• Opening to the uterus• The cervix plays a very important

role in reproduction. Without a “strong” cervix, a female would not be able to naturally hold a fetus

• Uterus:• Also known as the womb• Lined by a thick blood filled

blanket called the endometrium• The uterus is a very strong

muscular organ. The function is to house and support the developing fetus

Female Anatomy: Internal• Endometrium:

• Develops throughout the menstrual cycle

• Shed if fertilization and implantation do not occur. This is called menstruation

• Fallopian Tubes:• Extend from the top of each side of

the uterus each tube ends near an ovary

• Outer edge of the tubes has fimbria that sweep the mature eggs from the ovary into the tube

Female Anatomy: Internal• Ovaries:

• Attached by ligaments to each side of the uterus and to the walls of the pelvis

• Each ovary has thousands of follicles

• Each follicle has an immature egg

• Egg (Ovum):• Female reproductive cell• The largest human cell

(about the side of a grain of salt)

http://www.youtube.com/watch?v=_BnIl5MLpC8&list=PLYkDg7ymNvkiqmsBBehqh89DTEFaRurK

Male Anatomy• Penis:

• Formed of spongy tissue that fills with blood and becomes erect during sexual excitement

• Ejaculation:• Occurs from the penis

• Not all erections end in ejaculations!

Male Anatomy• Glan:

• Soft top of the penis foreskin covers the glans in uncircumcised men.

• Foreskin:• Retractable tube of skin

that covers and protects the glans of the penis

• Circumcision removes the foreskin

Male Anatomy• Scrotum:

• Sac of skin which holds the testes, Epididymides and vas deferens

• Keeps testes up to 5 degrees cooler than normal body temperature; to allow for sperm production

• Also protects testes from injury to some degree

Male Anatomy• Testes:

• Two ball like glands• Produce sperm• Produce testosterone

• Urethra:• Tube that runs from the bladder

to the opening in the glans of the penis

• Carriers urine from the bladder and semen from the vas deferens

Male Anatomy• Epididymis:

• Each is a tube tightly coiled over the top and behind each testes

• Where the sperm matures

• Vas Deferens:• Two long narrow tubes that

carry the sperm from each epididymis to the seminal vesicles

Male Anatomy• Prostate Gland:

• Located below the bladder

• Produces a thin fluid to help sperm move

• Fertilizes sperm

• Cowpers Gland:• Secrete fluids that male the

seminal fluid sticky

Male Anatomy• Seminal Vesicle:

• Located beneath the bladder

• Produce seminal fluid in which sperm move and are nourished

• This fluid, along with secretions from the Prostate Gland and Cowper’s Gland is called semen

• Semen:• Thick white fluid containing spermatozoa that is

ejaculated by the male genital tract.

• Semen does not consist of only sperm

Activity: vocab matchingWith a partner, attempt to match the

vocabulary with it's description.

http://www.youtube.com/watch?v=dpWCd_i9pJs&list=PLYkDg7ymNvkiqmsBBehqh89DTEFaRurK

Exit TicketQuestion: What is the path traveled by a

sperm cell?

Journal:Was most of this new information to you or had you learnedit before?