+2 votes
in Class 12 by kratos

Draw the diagram of Female Reproductive System in human and Explain.

1 Answer

+4 votes
by kratos
 
Best answer

Ovary: Each ovary contains immature ova (eggs) in follicles.

(ii) Females born with lifetime supply of eggs (250,000-400,000 in each ovary)

(iii) Ovaries release ovum -. Almost all ova degenerate between birth and puberty.

(iv) Approx. 400 eggs will be ovulated over woman'* life.

(v) Egg is the largest human cell.

(vi) Ovaries are located lower abdomen. 1 left and 1 on the right.

Fallopian tubes

(i) Two thin tubes attached to the upper sides of **

(ii) Tubes terminate near the ovaries but are not attached

(iii) "Fimbriae" are finger-like structures on the end of each tube

(iv) Tubes conduct egg to ** by use of small hairs called "cilia"

(v) Fertilization of ovum takes place in the ampullaryisthmic junction of the fallopian tubes. Egg viable for only 24-48 hours after ovulation.

Uterus:

(i) Pear-shaped organ located in lower abdomen.

(ii) Muscles(myometrium) stretch to allow baby to develop. Oxytocin starts labor contractions.

(iii) Lining of uterus (endometrium) thickens with blood-rich tissue due to progesterone.

(iv) Endometrium supports embryo/fetus during growth.

(v) Placenta :It is the interface between baby and mother. If not pregnant, lining breaks down and is discharged from body through **. This is menstruation (**).

(vi) Cervix connects **** to vagina**. Like a door that opens during ovulation. Cervical mucous closes the door at all other times.

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