January Birthstone â Meaning, Significance, Symbolizes. The January Birthstone, garnet is a deep red crystal, a revered and popular precious stone. The Garnet has long been used as a talisman for protection by tribes and sects.
45. In humans, chemical digestion is accomplished by enzyme action that begins in the mouth and ends in the (a.) liver (b.) small intestine (c.) gall bladder (d.) stomach. Just for fun, identify the lettered structures on the human digestion diagram which follows.5. In humans, chemical digestion is accomplished by enzyme action that begins in the mouth and ends in the (a.) liver (b.) small intestine (c.) gall bladder (d.) stomach. Just for fun, identify the lettered structures on the human digestion diagram which follows.
Digestion Begins. Enzymatic digestion occurs primarily in the mouth, stomach and small intestine. Both physical and chemical digestion begin in the mouth: the process of chewing grinds up food and mixes it with saliva, which contains an enzyme called salivary amylase. Enzymes facilitate chemical reactions by binding to reactive molecules.