Qualification > Sciences

Human BiOlogy.

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iluvme:
Thanks Muallima  ;)

This Question too, Two insects mosquito and housefly spread diseases through their saliva. Explain how this is achieved. This is a two mark Q.

The Golden Girl =D:
Actually i don't know but I'll give u smthn that will help :S

http://www.mosquitoworld.net/mosquitodiseases.php

http://www.pitara.com/discover/5wh/online.asp?story=45

:S :S

Master_Key:
The parasites enter their salivary glands. Here they multiply, the saliva contains anti-coagulant which stops the blood from clotting. When the insects bite they inject their saliva into the human's body and human gets infected.

Deadly_king:

--- Quote from: master_key on October 22, 2010, 01:22:51 pm ---The parasites enter their salivary glands. Here they multiply, the saliva contains anti-coagulant which stops the blood from clotting. When the insects bite they inject their saliva into the human's body and human gets infected.

--- End quote ---

That's correct ;)

I confirm master_key's answer :D

iluvme:
Thanks muallima, master key and deadly king  :)
How about the house fly?

Explain why one contact with an infected mosquito can lead to malaria but repeated larval contacts are needed to produce symptoms of schistosomiasis.

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