Let Down' reflex for lactation is caused by _________

Down's sydrome in human is caused due to _______

The period of lactation means

What is Lactation?

Down's syndrome is caused due to __________of chromosomes.

What is "Let - Down" reflex?

Taste of food evokes salivation by a reflex while smell of food causes salivation by a ____________reflex

Let R be a reflexive relation on a set A and I be the identity relation on A.Then