What is Sexually Transmitted Diseases (STD)? List two viral and two bacterial STDS.
(A). State briefly the changes that take place in a fertilized egg till birth of the child in the human female reproductive system.
(B). What happens to the egg when it is not fertilised?
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These are the diseases transferred from sex.
Viral-warts and AIDS
bacterial- gonorrhoea and syphilis.
A)zygote divides repeatedly to form embryo which gets implanted on the uterine wall where placenta(helps in exchange of food and waste between mother and embryo) is present.
B)the uterine wall along with the egg is thrown out of vagina in the form of mucus and blood.
PLZ MARK AS THE BRAINLIEST
Viral-warts and AIDS
bacterial- gonorrhoea and syphilis.
A)zygote divides repeatedly to form embryo which gets implanted on the uterine wall where placenta(helps in exchange of food and waste between mother and embryo) is present.
B)the uterine wall along with the egg is thrown out of vagina in the form of mucus and blood.
PLZ MARK AS THE BRAINLIEST
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