Physical activity is helpful for your heart muscle and also strengthens your immune system also good for your lungs and helps maintain your weight <span />
Answer:
C.
Explanation:
Some diseases are caused by mutated genes.
A healthy lifestyle is when someone is answering a question they should get more than 5 points
They can make friends there, and feel like they are worth talking to, which makes them feel happier.
Also, when getting a question right, or maybe getting a good grade on a worksheet, can make them feel smart, which also makes them feel happier.
Hope this helps, and happy studying~!
~{Dunsforhands}
