A)Radio
microwaves wouldn't make sense with the next word in the question, and mechanical wouldn't make sense.
The cardiovascular system
The cardiovascular system is an
organ system which allows blood to circulate and transports nutrients, gases, hormones,
and blood cells within the cells of the body for proper functioning of human
cells and organs. The cardiovascular system is made up of the heart and the
circulatory system. A group of arteries, arterioles, and capillaries help to carry
blood from the heart to other parts of the body.
The correct answer for this question would be the third option. Using the Law of Syllogism, the conclusion that can be drawn from the two given statements is that, i<span>f you exercise regularly, then you have more energy. The use of syllogism is the kind of reasoning wherein a conclusion is being drawn from two given propositions. Hope this answer helps.</span>