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Sensitive Tissue in the Right Atrium Wall That Initiates the Heartbeat

question 11

Multiple Choice

Sensitive tissue in the right atrium wall that initiates the heartbeat is known as the


Definitions:

Bilirubin

A yellow substance that is produced during the normal breakdown process of heme in vertebrates and is eliminated through the bile.

Urobilinogen

A byproduct of bilirubin reduction that is present in urine and stool, used as an indicator in diagnosing liver and blood disorders.

Leukocytes

White blood cells that are part of the immune system, protecting the body against infection and disease.

Specific Gravity

The ratio of the density of a substance to the density of a reference substance; usually water for a liquid or solid, and air for a gas.

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