Ck 12: Life Science: Muscles and Exercise

[Free Registration/Login may be required to access all resource tools.] Regular physical exercise is important in preventing lifestyle diseases such as cardiovascular disease, some types of cancer, type 2 diabetes, and obesity. Regular exercise also improves the health of the muscular system. Muscles that are exercised are bigger and stronger than muscles that are not exercised. Learn more about muscles and exercise in this learning module produced by CK-12.