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Answers
Explanation:
1. virus transmitted is HIV
2. castration and vastactomy
3. testis is located in outside to low down its tempareture
Answer:
(i) The examples of STDs transmitted by bacteria and viruses are:-
Bacteria (gonorrhea, syphilis, chlamydia)
Viruses (human papillomavirus, genital herpes, HIV)
(ii) • Barrier methods. Examples include male and female condoms, as well as the diaphragm, cervical cap and contraceptive sponge.
• Short-acting hormonal methods. ...
• Long-acting hormonal methods..
• Sterilization. ...
• Fertility awareness methods....
(iii) The bag of skin that holds and helps to protect the testicles. The testicles make sperm. To do this, the temperature of the testicles needs to be cooler than the inside of the body. This is why the scrotum is located outside of the body...
(OR)
The process of spermatogenesis requires lower temperature (2 - 2.5
0
C) than the body and hence testes (site of spermatogenesis) are present outside the abdominal cavity....
Explanation:
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