Hello There! ^_^
Your question: Why is it important to exercise..?
Your answer: Exercise is one of the most crucial part of keeping yourself healthy. Exercise cover 20% of your diet plan. It helps people to lose weight and decreases the risk of diseases. Exercising decreases a person's risk of growing diseases such as: High blood pressure and diabetes.
Hope this helps!
It began in the year of "Ancient Times"
The answer to your question is Option B (YOGA)..
