The layer that encloses and protects the heart is
Pericardium
Answer:
Why are muscle and fat levels the only factors influencing flexibility impacted by personal decisions? Age, gender, and joint structure cannot be changed. ... Muscle stiffness that reduces flexibility often results from the overuse of muscle, but inactivity also weakens muscles and can make them more susceptible to injury.
I can't really see but i think you can do it.
Saturated fats can raise your total cholesterol and increases the risk of heart disease but decreasing intake of saturated fats can reduce your cholesterol.
