hyaline cartilage
The hyaline cartilage is the most common cartilage in the
body. It is a glass-like, translucent , bluish-white cartilage that can be
found on many joint surfaces, the respiratory tract and immature skeleton. It
is also present in the ribs, nose, larynx and trachea.
Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.
Coal from swamp plants that formed millions of years ago.
