Answer:
doing exercises
Explanation:
these like running use much calories than normal
The muscular system<span> is responsible for the movement of the human body. Attached to the bones of the </span>skeletal system<span> are about 700 named </span>muscles<span> that make up roughly half of a person's body weight. Each of these </span>muscles<span> is a discrete organ constructed of </span>skeletal muscle<span> tissue, blood vessels, tendons, and nerves.</span>
Anna could have died from extremely high blood sugar.
Anna died from very low blood sugar
Hope this helps:)