Columnar epithelium is a tall tissue that resembles a column-shaped cell. It is found lining organs like the digestive tract and uterus.

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.