Acid, bile, pancreatic juice, and IgA in the gut lumen, the tight junctions between intestinal epithelial cells, and immune cells in the lamina propria normally work in conjunction to prevent the ...

Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart. According to the ...

When a drug is absorbed and enters the systemic circulation, it is naturally distributed throughout the fluid and tissues in the body. Drug distribution is a subject that is covered in a branch of ...