The stage of the heart cycle in which the heart muscle is relaxed<span>, allowing the chambers to fill with blood. ... The </span>stage of the heart cycle in which the heart muscle<span> contracts and the chambers pump blood. Systolic Pressure. Blood pressure in the arteries during contraction of the ventricles</span>
The answer is C. Cardiovascular
best of luck :)
Carbohydrates contain the most calories! :)
Restless and agitated, concerned with self.
Pancreas is your answer
Plus, it also breaks down fats :)