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.
The organs produce digestive chemicals (enzymes and acids) that break down the nutrients into simpler forms so that absorption through the intestinal wall and into the blood stream can occur. Mechanical and Chemical Digestion. There are two kinds of digestion: mechanical and chemical.Mechanical digestion involves physically breaking the food into smaller pieces. Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells.Chemical digestion begins in the mouth when food mixes with saliva.he organs produce digestive chemicals (enzymes and acids) that break down the nutrients into simpler forms so that absorption through the intestinal wall and into the blood stream can occur. Mechanical and Chemical Digestion. There are two kinds of digestion: mechanical and chemical.