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Human Development And Reproduction Essay

760 words - 4 pages

Testes in males store sperm and ovaries in females store the eggs. During human sexual reproduction the male penis ejaculates inside of the female vagina. This releases semen in the uterus. The semen has sperm in it which finds as egg or eggs in the female and fertilizes them. When an egg is fertilized by one sperm, no other sperm can enter it because its outer surface become hardened. When this happens it will then undergo mitosis and develop into a baby.
Human development and reproduction are influenced by things like hormones and environment. Some of the hormones that is affected is progesterone, testosterone, and estrogen. “Progesterone is made by corpus luteum in the empty ovarian ...view middle of the document...

” (Idyer, 2012, Par 32)The prostate gland is responsible for producing fluids that mix with sperm to create semen. Semen is the mixture or sperm and fluids. Semen then passes through the urethra.
The female reproductive system produces eggs which are then fertilized by the male’s sperm. The main parts if the female reproductive system are the ovaries, fallopian tubes, vagina, cervix, and uterus. Ovaries are things in the female that produce hormones that cause sex characteristics and it makes eggs. A normal female has two ovaries and about one million eggs. Females are born with all of their eggs but cannot be use till puberty.
The fallopian tube also known as the oviduct is a tube the reaches from the ovaries to the uterus. At this place fertilization of the egg and sperm can take place. “Each fallopian tube is 4 inches.” (Idyer, 2012, Par 46) The vagina is a canal that reaches from the uterus to the outside of the female’s body. “The cervix is a muscle that separates the vagina from the uterus.” (Idyer, 2012, Par 49)
When the egg joins with sperm in the fallopian tube and is fertilized it will attach to the endometrium which is the...

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