The answer is C. Targeting a particular area for improvement
Specificity principle stated that whatever you do in the gym, should be relevant to your desired outcome
For example, if you are a rowing athlete, it should be best if you focus on upper body training more than lower body because you need your upper body strength more than you need the lower
—Exercising can help you look better. People who exercise burn more calories and look more toned than those who don't. In fact, exercise is one of the most important parts of keeping your body at a healthy weight.
—Exercise helps people lose weight and lower the risk of some diseases. Exercising to maintain a healthy weight decreases a person's risk of developing certain diseases, including type 2 diabetes and high blood pressure. These diseases, which used to be found mostly in adults, are becoming more common in teens.
—Exercise can help a person age well. This may not seem important now, but your body will thank you later. Women are especially prone to a condition called osteoporosis (a weakening of the bones) as they get older. Studies have found that weight-bearing exercise — like jumping, running, or brisk walking — can help girls and boys keep their bones strong.
The circulatory system is system in the human body that provides a network through which our blood flows constantly.The human cardiovascular system is considered closed because there are no holes for blood to enter or leave the system. Correct answer: D
In the closed circulatory system the blood stays confined within the vessels and heart.
A newer form of psychosurgery—cingulotomy—is used in rare cases of OCD.