Can any on answer these questions? If you can then please answer it fast...it's urgent...
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1 .placenta is necessary for developing foetus as it gets all its nourishment from placenta.
2.ear, nose and throat are all connected internally by a tube called eustachian tube , which normally remains closed but on yawning and swallowing it may open. because of this connection any infection in throat region may lead to ear infection.
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connect with heart always
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