Examlex
Which process or event is not considered a plausible hypothesis for the causes of mass extinctions?
Right Atrium
The right upper chamber of the heart that receives deoxygenated blood from the body and pumps it into the right ventricle.
Eosinophils
A type of white blood cell that plays crucial roles in the immune system, particularly in combating multicellular parasites and certain infections.
Hemoglobin
It's a component in red blood cells that is essential for moving oxygen from the lungs across the body's tissues, and it also carries carbon dioxide from those tissues back to the lungs.
Blood Vessels
The tubular structures carrying blood through the tissues and organs; a vital component of the circulatory system, including arteries, veins, and capillaries.
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