I'm pretty sure the answer is C because you need to let the child learn on his/her own.
Where ever there is an artery close to the surface the pulse can be felt.
The pulse can be found at the coratid artery, the temporal artery, the brachial artery, the radial artery, the femoral artery, etc.
During digestion, kidneys are the organs responsible for extracting certain minerals and maintaining proper fluid balance.