The National Science Foundationâs âTree of Lifeâ project estimates that there could be anywhere from 5 million to 100 million species on the planet, but science has only identified about 2 million.
If it were not for the stomachâs storage capacity, we would have to eat constantly instead of just a few times each day. The stomach also secretes a mixture of acid, mucus, and digestive enzymes that helps to digest and sanitize our food while it is being stored....
The liver secretes bile which aids in the breakdown of lipids into fatty acids. The enzymes which speeds up the rate of the digestion of lipids is Lipase, and this is secretedâ¦ by the pancreas. The pancreas also secretes many other enzymes including: Two protease's are trypsin and chymotrypsin.