The layer that encloses and protects the heart is
Pericardium
Answer:
Insulin helps control blood glucose levels by signaling the liver and muscle and fat cells to take in glucose from the blood. Insulin therefore helps cells to take in glucose to be used for energy. If the body has sufficient energy, insulin signals the liver to take up glucose and store it as glycogen.
Explanation:
<span>The component of the skill-related fitness that would be most helpful for the shot-putter to increase the distance at which he or she throws is the power. The answer is the last choice. The power is generated in the legs and the position of the shot-putter greatly affects the performance. </span>
I think it would either be A or D! Hope this helps.
