Muscles are attached to bones by tendons. Muscles contract to move our bones by pulling on them. However, muscles can only pull; they cannot push. This is why they usually work a joint in pairs.

The author and poet Michael Rosen introduces and reads some of his best-known poems for children: The space on the page The 'space' is a ‘friend’ to whom Michael Rosen can tell anything.

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 ...