In the Diagram,where Is the Left Auricle of the Left

question 15

Multiple Choice

In the diagram,where is the left auricle of the left atrium?

• A)C
• B)F
• C)G
• D)H

---

Definitions:

Hyaluronic Acid

A natural substance found in the body, particularly in fluids in the eyes and joints, acting as a lubricant and shock absorber.

Lubricant

A lubricant is a substance used to reduce friction between surfaces in contact, minimizing wear and facilitating smooth movement.

Joint Cavities

Structures in the human body where two bones meet, allowing for movement and providing a protective space for organs.

Proteoglycan

Large molecules found in the extracellular matrix of connective tissues, consisting of a protein core and glycosaminoglycan chains; important for tissue hydration and elasticity.