Muscle tissue makes up about 40% of the mass of the ... Cardiac muscles in your heart and smooth muscles inside your organs are classified separately. Skeletal muscles allow you to produce the ...

whereas the muscle tissue in the real human iris is made up of smooth muscle cells, which are a type of involuntary muscle tissue. They chose to pattern skeletal muscle cells in an iris-like pattern ...

MIT engineers 3D print multidirectional muscle tissue that flexes like the human iris - opening new paths for biohybrid robots.

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 ...

Cardiac muscle cells contract and relax to pump blood around our bodies. Smooth muscle cells make up thin sheets of muscle, such as the stomach lining. Skeletal muscle is joined to bones.

If this light-activated stuff works, it could make building robots easier - or make lazing about under the Sun quite a workout Bioengineers have pulled together to get artificial muscles pulling in ...