Question

Which cells are responsible for contraction and relaxation?? AND PLEASE DONT SPAM...

Answer 1

Explanation:

Each skeletal muscle fiber is a skeletal muscle cell. These cells are incredibly large, with diameters of up to 100 µm and lengths of up to 30 cm. The plasma membrane of a skeletal muscle fiber is called the sarcolemma. The sarcolemma is the site of action potential conduction, which triggers muscle contraction

Answer 2

Answer:

Muscle cells can contract and expand z

Explanation:

Hi !

Muscle Cells

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<> Muscle cells are the cells which are capable of contraction and relaxation

<> The muscle tissues [ which is the collection of muscle fibres ] contract and relax .

<> This is done to move the body parts

<> There are three types of muscle tissues :-

---> Skeletal,

---> Cardiac

---> Smooth muscles

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