(A) Mitochondria, I believe.
A.) Carbohydrates provide ready energy......
Answer:
In heart valve disease, one or more of the valves in your heart doesn't work properly. Your heart has four valves that keep blood flowing in the correct direction. In some cases, one or more of the valves don't open or close properly. This can cause the blood flow through your heart to your body to be disrupted.
Answer:
Getting fit, C, changes them in terms of self-esteem and confidence
Explanation:
Theres more to doing exercising than just getting a healthier body. It could also contribute to your positive body image.