Body Systems

3. organs of the respiratory system that bring oxygen into the body and remove waste gases
4. muscular organ where a major part of digestion occurs
5. long, tube-like organ where most chemical digestion and absorption take place
7. digestive system is a group of organs that work together to digest and absorb nutrients from the food you eat
8. a complex network of organs and tissues that enable the body to breathe and exchange gases
9. hollow, muscular organ that is responsible for pumping blood through the circulatory system
10. process by which nutrient molecules pass from your digestive system into your blood

1. tube-like organ that absorbs water and eliminates unabsorbed materials
2. organ system that transports needed materials to cells and removes wastes.
6. process by which the body breaks down food into small nutrient molecules
11. the main transporter of all materials necessary for the body to function