Usually good for about 2-4 hours
Answer:
Muscular contractions are the mechanism that allow an individual, animal, or human, to move its body, move the food in its digestive system, or a host of other activities. The contraction shortens the muscle which moves the rigid structures, bones, to which they are attached.
Explanation:
I don’t know what this is but i love it lol
<span>Several solutions are possible, the best for me:</span>c. eat less and lose weight.
(<span>and daily practice <span>of a sport)^^</span></span>
