Melting point: Melting point, temperature at which the solid and liquid forms of a pure substance can exist in equilibrium. As heat is applied to a solid, its temperature will increase until the melting point is reached. More heat then will convert the solid into a liquid with no temperature change.
Overall, in humans, the large intestine is about 1.5 metres (5 ft) long, which is about one-fifth of the whole length of the gastrointestinal tract.
A: The colon, or large intestine, is about 5 feet long in humans. The large intestine is the last segment of the digestive system, which is 30 feet in total length. The small intestine, at 20 feet in length, is the longest section of the digestive system.