1. The Digestive System
The increasingly disgusting human body must receive its energy chemically. The only way is through its digestive system. There, chemical energy can be absorbed and used for the growth of cells. The original form of this chemical energy is just plain ... both chop up and grind up food. Moreover, the main worker within the mouth, the tongue, moves around the food within the mouth. It consists of skeletal muscle which is connected to the skull and the hyoid bone. The muscle is kept in place by the frenulum which is inferior to the tongue at ... microvilli absorb is sent to the bloodstream thro...
- Word Count: 1517
- Approx Pages: 6
- Grade Level: High School