Across
- 3. An accessory organ that produces bile for the duodenum.
- 5. Process in which food is converted into energy
- 8. The pair of organs that come after the trachea in the respiratory system.
- 9. When there is an equal concentration inside and outside of the cell so there is no net movement
- 11. Humidifies and purifies the air if you breath in through it.
- 12. An important nutrient made up of many amino acids.
- 13. The connection between organs in the digestive system that regulates the flow of waste.
Down
- 1. This term means that a cell membrane will let some materials through but not all.
- 2. These increase surface area in the lungs
- 3. Part of the respiratory system with the vocal chords.
- 4. The valve that oxygen poor blood goes through in the heart.
- 6. A type of diffusion that requires energy
- 7. An enzyme in the mouth that begins the breakdown of food.
- 10. Brings blood away from the heart.