Across
- 1. Double helix
- 3. Conversion of food and drink to energy
- 5. Made from amino acids
- 7. Fatty organic compound that is insoluble in water
- 8. Involved in clotting
- 9. Whip lipe appendage
Down
- 1. How your lungs work
- 2. Forms a barrier or lining
- 4. Division of cells
- 6. Produces energy for cells