PATHOLOGY

Detailed explanation-1: -Just like regular exercise makes your muscles stronger, it also makes your lungs and heart stronger. As your physical fitness improves, your body becomes more efficient at getting oxygen into the bloodstream and transporting it to the working muscles.

Detailed explanation-2: -Aerobic Exercise How much: Ideally, at least 30 minutes a day, at least five days a week. Examples: Brisk walking, running, swimming, cycling, playing tennis and jumping rope. Heart-pumping aerobic exercise is the kind that doctors have in mind when they recommend at least 150 minutes per week of moderate activity.

Detailed explanation-3: -Ventilation increases to meet the demands of exercise through the following two methods: 1. An increase in ‘tidal volume’ which refers to the quantity of air that is inhaled and exhaled with every breath. This is similar to ‘stoke volume’ in the cardiovascular system.