Human small intestine tissue from the digestive system where digestion and nutrient absorption take place. It contains finger-like projections called villi that increase the surface area, allowing nutrients to be absorbed more efficiently, and it is lined with simple columnar epithelium made up of cells adapted for absorption.

Hyaline cartilage is the most common type of cartilage in the body. It looks smooth and glassy and it helps reduce friction in joints so bones can move easily. It also gives support while still being flexible, especially in areas such as the nose, trachea, and ribs.