Across
- 4. this system works to bring oxygen into the body and carbon dioxide out of the body
- 7. transports the oxygen brought in from the respiratory system to all cells in the body
- 11. carry oxygen through the bloodstream
- 12. problems with the respiratory system would decrease the amount of this Gas which is used to burn glucose to create energy
- 13. the process by which energy is made in the mitochondria by burning glucose with oxygen to form ATP
- 14. most water reabsorption occurs in this organ
- 18. air is most dense at this altitude which would benefit athletes playing sports here
- 19. large nutritional molecule that is derived from meat chicken or fish
- 20. secretes a chemical called Insulin into the small Intestine to complete digestion
Down
- 1. if this state of balance in the human body fails in any way a person will have a disease or disorder
- 2. traps particles in the respiratory system and also protects the stomach from strong acids
- 3. blood vessels that carry deoxygenated or oxygen poor blood back to the hear
- 5. the transfer of nutrients from the digestive system to your blood stream
- 6. secretes bile to break down fats and complete digestion
- 8. breaking down food to a form the body can use for energy growth and repair
- 9. as you exercise this factor increases to pump more oxygen rich blood to you muscle cells
- 10. Chemical digestion involving enzymes starts in the mouth and ends in this 20 ft long tube
- 15. the digestive system breaks down starch into this molecule which is needed for cellular respiration
- 16. large molecule which breaks down into glucose which is the bodies primary source of energy
- 17. make digestion possible by speeding up the chemical reactions in our body