Answer - Blood Flow
Reasoning - Insulin is used through out and mainly in the blood stream which relies it to stabilize through out the flow of the body
<span>The answer is letter A. <span>
<span>Pregnant
women are discouraged to smoke while pregnant. This can cause miscarriage
because of the toxic chemicals that cigarettes bring and are readily absorbed
by the fetus when a mother smokes. Not only will it lead to a possible
miscarriage, if the baby does survive, he/she might end up with physical
abnormalities or mental disorders. This is the reason why mothers should be
very careful about the choices they make during pregnancy because the life of a
younger being is also at stake.</span></span></span>
This is confirmed to be True.
<h3>The blood in the pulmonary artery is going to the heart to collect oxygen, and therefore has a low content of oxygen. So, the blood in the pulmonary artery is a violet colour because it has low oxygen. The blood in the pulmonary vein is oxygen rich, and so it gives a scarlet</h3>

Not only the tympanic membrane receves wavesounds it also equalizes the pressure with in