Science

2. Type of vessel that lets blood into the heart
4. Air sacs where diffusion takes place
5. Finer branches that bring air to the alveoli
6. The way nutrients or chemicals travel into cells despite being against the concentration gradient
12. Type of osmotic environment in which there is more chemicals outside the cell than inside
13. The wall that separates the left and right sides of the heart
14. The vocal chords

1. Type of osmotic environment in which there is more water inside the cell than outside
3. Chemical that starts to break down polysaccharides in the mouth
7. Valve the separates the right atrium and the right ventricle
8. Flap that prevents food from going into the windpipe
9. Part of the respiratory system that warms, moistens, and filters air
10. The action that parts of the digestive system use to push food down
11. Start of the small intestine where a large amount of chemicals are located