Describe:-(a)male reproductive system and (b) female reproductive system
Asked by Shubhangi Gauraha | 12th Nov, 2013, 06:45: PM
Male Reproductive System:
1. Testes (Testicles):
- Pair of testes is located below the abdomen in scrotal sac or scrotum.
- Testes produce male gametes sperms (germ cells).
- Sperms can withstand with the lower temperature.
- To maintain the temperature 2 – 3 0C lower than the body, scrotum is located outside the body cavity.
- Tubes present in testes join to form epididymis.
- Epididymis stores sperms temporarily.
3. Vas deferens (sperm duct):
- Each epididymis continues further as sperm duct or vas deferens.
- Each vas deferens unites with a tube coming from the urinary bladder on either side.
- Thus, urethra is the common passage for sperms and urine.
4. Seminal Vesicles:
- A pair of glands.
- Each gland opens into the corresponding sperm duct.
- Seminal vesicle produces secretion which is responsible for the transportation of sperms.
5. Prostate gland:
- It is bilobed structure which surrounds the urethra.
- It pours an alkaline secretion into the semen.
6. Cowper’s gland:
- These are two small ovoid glands.
- They open into urethra.
- Its secretion serves as a lubricant.
- The urethra passes through the penis.
- It carries either urine or semen at a time.
Female Reproductive System
- Two ovaries present in the pelvic cavity, one each side of the uterus.
- Ovaries produce ova which are female gametes.
- One ovum is released by one ovary every month.
- Ovaries also secrete female hormones oestrogen and progesterone.
- Both the hormones are responsible for the changes in female body at the time of puberty.
2. OVIDUCTS (Fallopian tube):
- The two oviducts or fallopian tubes are present. Each close to one ovary of its side.
- The end of the oviduct is broad and has many finger-like projections.
- When the egg is released by the ovary it passes down to the uterus through the oviduct.
3. UTERUS (Womb):
- Hollow pear-shaped, muscular organ.
- The inner lining of the uterus called endothelium protects and nourishes the developing embryo.
4. VAGINA (Birth Canal):
- Uterus opens into the vagina.
- Vagina is a muscular, narrow tube.
- Vagina and urethra both open into the vulva.
Answered by Sivanand Patnaik | 12th Nov, 2013, 06:58: PM
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