Write the Correct Abbreviation for Sinoatrial (Node)

question 112

Short Answer

Write the correct abbreviation for sinoatrial (node):

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Definitions:

Maintain

To keep in an existing state or condition; to continue; to preserve from failure or decline.

Neurotransmitter

Chemical substances that transmit signals across a synapse from one neuron to another in the brain and nervous system.

Anorexia Nervosa

A psychological and life-threatening eating disorder characterized by an extremely low body weight, a severe fear of gaining weight, and a distorted perception of body weight and shape.

Serotonin

A neurotransmitter in the brain that plays key roles in regulating mood, emotion, appetite, and sleep.