Question

Some points for fibres of voluntary muscles

Answer 1

Answer:

1

Secondary School Biology 5 points

Differentiate between the fibres of voluntary muscle and cardiac muscle

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Answers

Kshitij321

Kshitij321

Voluntary muscle is responsible for causing movements of the skeleton at joints. It is innervated by the somatic nervous system. Voluntary muscle is striated and contracts quickly and powerfully but tires quickly.

Cardiac muscle is found in the heart and can be divided into three sub-types of muscle: atrial muscle, ventricular muscle, and specialised excitatory and conductive muscle fibres. Cardiac muscle is myogenic meaning muscle fibres can stimulate contractions without needing input from a nerve impulse. Cardiac muscle is striatedand contracts powerfully thoughout the life without tiring.