2. a minimum of how many minutes is needed to achieve the benefits of cardiovascular activity ? ( 1point ) a . 10 - 15 b. 20 - 30 c. 30 - 45 d. 45 - 60,

B. 20 - 30 minutes are needed to achieve the benefits of cardiovascular activity.

b. 20-30 minutes

Explanation:

Cardiovascular activities will help in enlargement and strengthening of the heart muscles. The activities will help in pumping more amount of blood with each contraction. According to the Heart and Stroke Foundation and American Heart Association at least 150 minutes of moderate to vigorous physical cardiovascular exercise is necessary per week for an adult. Thus according to this at least 20-30 minutes of exercise is required to have a healthy impact on the heart.  

Further explanation:  

The activities such as walking, running, cycling, jogging, swimming, aerobics, skiing, dancing, rowing and stair climbing are beneficial for activating the cardiovascular system. Sports activities like basketball, tennis, soccer, squash can also improve the cardiovascular fitness. These cardiovascular activities include the involvement of the large muscles of the body especially the legs. They also improve the rhythm of the heart rate, and also activate the heart as well as lungs to work properly.  

During the cardiovascular exercises the body requires more amount of oxygen as the muscle cells strive for oxygen, the respiration rate increases so as to acquire more amount of oxygen, the heart pumps faster so as to transport oxygenated blood to all the parts of the body.  

The benefits of cardiovascular exercises involves the burning of fat and calories, weight loss, making the heart strong, increasing the capacity of lungs, reducing the risk of heart attack and diabetes, regulating the blood cholesterol levels, also reducing the formation of cancer or tumours. These activities build the stamina to perform other routinely activities.  

Learn more:  

1. Benefits of cardiovascular exercise: Ruthie790

2. Benefits of cardiovascular exercise:   : Majomasa9

Keywords:  

Cardiovascular exercise, cardiovascular fitness, stamina

the answer is d its the most logical and accurate out of them all : )