a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.
~ A patient is admitted with aortic regurgitation. Which of the following medication classifications are contraindicated since they can cause bradycardia and decrease ventricular contractility is called Calcium channel blockers.
The pancreas plays a critical role in digestion.
I think the answer would be C).
Explanation:
Law of conservation states that energy can neither be nor destroyed but can be converted from one form to another.So as such recycling is one of the agents that conserves energy
