Explain Autorhythmicity in Cardiac Muscle Cells

question 92

Essay

Explain autorhythmicity in cardiac muscle cells.

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Definitions:

Thyrohyoid

A muscle in the neck that depresses the hyoid bone and raises the larynx during swallowing and speaking.

Neck

The part of the body connecting the head to the rest of the body, containing structures of the digestive and respiratory tracts as well as major blood vessels and nerves.

Sternocleidomastoid

A muscle in the neck that runs from the sternum and clavicle to the mastoid process of the temporal bone, involved in facilitating rotation and flexion of the neck.

Semispinalis Capitis

is a muscle of the back located beneath the trapezius, playing a key role in extending, rotating, and bending the head backwards.