Muscular forces are called so because:
They need good muscles for their application.
They are caused by the action of our muscles.
Both A and B.
They are applied on muscles.
Muscular forces are called so because they are caused by the action of our muscles.
A structure which has been moved by a muscle cannot return to its original position without the action of another muscle. Such muscles causing opposing movements are called __(antagonistic muscles/ smooth muscles).
Lungs are capable of taking in and throwing out air because they are made up of muscles which expand and contract.