Answer:
ATP {adenosine triphosphate}is the secondary source of energy for muscle contraction
Explanation:
Volume is measured in liters
Answer:
There are many types of energy such as chemical, heat, sound, electric and light.
Explanation:
Examples: of these are electrical coming from kinetic energy the movement of two objects moving together. Then there is chemical energy which is stored in bonds of chemical compounds, the product of chemical energy is heat.
