Individuals should participate in exercises to increase cardiovascular endurance.

Explanation:

Also called aerobic exercise, endurance exercise includes activities that increase your breathing and heart rate such as walking, jogging, swimming, and biking.

aerobic exercise: A sustained exercise which is characterized by the use of oxygen to metabolize sugars in the muscles, providing long-term and efficient energy.

answer: the first option is not an affect of aging. so the first option is the answer. (secondary sex characteristics appear)

no, because those are both different running competitions. while distance runners train their legs and their lungs to run long amounts of time, the sprinters are training their legs and their lungs to give all they have in the little amount of area they need to cover. the brain also plays a huge part in all of this.

the brain is the only thing in your body that sends messages to your body telling you to run. if you are a long distance runner and you have the mind set of a sprinter, you will not get anywhere. if you have a long distance mind set and you have to run 200m in 20 seconds then you will not make it in time.