Researchers at Imperial College London have discovered that specialist macrophages—a type of white blood cell—play a key role in the control of muscle contraction and locomotion. The discovery ...

Nerve cells help contraction of muscles or the relaxation of muscles according to what specific job you need them to do. The type of muscle that helps with digestion is called smooth muscle.

Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction. Involuntary cardiac and smooth muscles are responsible for contraction of the ...