Examlex
Which of the following describes the function of the spleen?
1) Produces glucagon
2) Produces lymphocytes
3) Stores and removes dead red blood cells
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.
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