The definition for melanin is a dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight. ( as stated in a general google search)
Two main types of Melanin are:
a dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.
Bile neutralises the stomach acid.
Answer:
4.) ...many earthquakes are known to occur
5.) ... this type of boundary is called a transform plate boundary
Step by step:
i just learned this like a month ago
Answer:
The gastrointestinal tract (aka the digestive tract) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the digestive system.