Vitamin A absorption takes place in the small intestine where intestinal epithelial cells (IECs) directly absorb and metabolize pro-retinoid carotenoids into various retinoids. 22 The intestinal ...

Digestion is the breakdown of food into smaller components that can be easily absorbed by the bloodstream. In our human body, there is a proper digestive system i.e. some group of organs work together ...

Glands are the organs of the human body which manufacture some liquid products which are secreted internally or externally from the cells. Mainly there are two types of glands namely ducted glands and ...