Shivering is the result of uncontrollable contractions of skeletal muscle tissue in an effort to increase heat production and raise body temperature. How does this process relate to ATP hydrolysis?
A. ATP is converted directly to heat.
B. Muscle contractions in the form of shivering produces heat and warms the body.
C. ATP hydrolysis causes muscle contraction.
D. Muscle contractions require ATP hydrolysis. Energy is liberated by ATP hydrolysis and converted into heat.
Answer: D