The Plural Form of the Term for the Upper Chamber

question 109

Multiple Choice

The plural form of the term for the upper chamber of the heart is

• A)atriums
• B)venricles
• C)atriae
• D)ventricula
• E)atria

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Definitions:

Deoxygenated Blood

Blood carrying a lower concentration of oxygen, typically returning to the heart and lungs for oxygenation.

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out to the body through the aorta.

Thoracic Cage

The bony frame around the chest composed of the ribs, sternum, and thoracic vertebrae, protecting the heart and lungs.

Intercalated Discs

Intercalated discs are specialized connections between heart muscle cells (cardiomyocytes), facilitating coordinated contraction through electrical and mechanical linkage.