Cardiac Action Potentials Usually Originate in ______________ Cells

question 97

Multiple Choice

Cardiac action potentials usually originate in ______________ cells.

• A)Purkinje
• B)chordae tendinae
• C)pacemaker
• D)septal

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Definitions:

Heartbeat and Breathing

The physiological functions of the cardiovascular and respiratory systems, signifying the rhythm of the heart and the inhalation-exhalation cycle of breathing.

Neurotransmitters

Chemical substances in the nervous system that transmit signals between neurons or from neurons to muscles, affecting various bodily functions and behaviors.

Prolactin

A hormone produced by the pituitary gland that stimulates milk production in breastfeeding mothers and affects various other bodily functions.

Milk Production

The biological process by which mammals produce milk to feed their young, involving hormonal changes and the activation of mammary glands.