Question

Give reason why muscles contain contractile proteins

Answer 1

Explanation:

Simple muscles are used in movement for a motion we either need to contract or relax our muscles otherwise we will not be able to move

so muscle contain proteins which help them to contract to an extend

Answer 2

Answer:

Muscles contain contractile proteins called myofibrils made of proteins actin and myosin. the elements help the muscle to contract and rest and thus helps in the movement of our body. without the element, we cannot do any actions or move.

Explanation: