★ Gastroenterology Quiz
What happens in your esophagus
A. Nothing
B. acids called enzymes break down the bolus (ball of food) even more.
Select your answer:

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Cardiovascular System › ViewVasodilation can be defined as:
A. A process in which blood vessels constrict causing a decrease in blood flow
B. A process in which blood vessels increase their diameter causing an increase in blood flow
C. A process in which blood vessels constrict causing an increase in blood flow
D. A process in which blood vessels increase their diameter causing a decrease in blood flow
Immunology › View
Innate immunity is extensive and has a wide range of diversity
A. YES
B. NO