Question

we can get the smell of perfume sitting several metres away??
pls answer.........
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Answer 1

Answer:

It is based on the phenomenon of effusion.

Explanation:

Effusion is nothing but a type diffusion in which gas is released out through a little hole. And spread all over

Answer 2

Answer:

Urination of adults, as well as infants, is controlled by the neural circuit which is very complex and highly distributed as it involves pathways at many levels of the brain, spinal cord and the peripheral nervous system and is mediated by multiple neurotransmitters.