Across
- 1. __________ intestine is responsible for nutrient absorption at villi
- 4. Little air sacs in lungs where gas exchange happens
- 6. this is commonly known as your windpipe
- 8. muscle below lungs that aids in breathing
- 9. This is made out of rolled tobacco leaves
- 10. this type of feedback loop has the opposite effect
Down
- 1. where food goes after passing through the esophagus
- 2. ________ is absorbed in the large intestine
- 3. addictive chemical found in vapes and tobacco products
- 5. plural term for the two main branches in your lungs
- 7. enzyme in saliva that starts to break down sugars
