Answer:
Heavy breathing
Explanation:
U know when u are doing a heavy job u feel like u can't breathe normally till u rest a little bit
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 am really really good and intelligent. I am currently fine.