Why do injuries happen frequently for people who don’t exercise

Due to lack of exercise, the metabolism, oxygen carrying capacity by blood, bone mass will decrease, which causes injures in a person.

Explanation:

When anyone starts to lead a sedentary lifestyle, many physiological problems will start. Due to a lack of physical exercise, one would decrease the metabolism rate. The body will no longer want to take good nutrition. The muscle strength will also decrease as fat deposits in the body. This also decreases the oxygen level in the blood to produce more energy. If someone does regular exercise, he develops good muscle and bone strength. His metabolism would be perfect and always in a good mood. Initially, a person faces some physical injury during exercises but after some days, the body will adapt to it and becomes more fit. But the people spend their time by seating, prone to more injuries like cardiovascular diseases, mood swings, obesity, low bone density, etc.

the answer is c.) there is a warm front in region a and a stationary front in region b.