Answer: Circulatory
Explanation:
Cardiorespiratory Fitness refers to the ability of the respiratory and circulatory systems to deliver oxygen to skeletal muscles during exercise. Exercise contributes to these systems being more efficient by enlarging the heart muscle, allowing a greater pumping of blood. Exercise is not only beneficial to the respiratory system, but the heart also benefits from this.
Cardiorespiratory Fitness has a series of benefits for the well-being of the person. Among its benefits is the reduction of diseases such as lung cancer, heart disease, stroke, and others. For these benefits to begin to be noticed, it is necessary to do physical activity 3 to 5 times a week.
A person with clinical depression will experience at least four signs of the disorder for at least two weeks.
The symptoms showing the illness may include: Trouble in concentrating or remembering small details, and making decisions in everyday life.
Also you'll fatigued through out the day, you will get feelings of guilt, worthlessness, and helplessness.
It may also include Insomnia, early-morning wakefulness, or sleeping too much.
Also you lose your focus and there is a loss of interest in things once pleasurable, including sex.
I would go D because they survive by getting the adaptations their parents gave to them
A or B are both the best options in this case, but B is the best option overall because if he is interested in an activity, then he will have more motivation.