Across
- 2. a statement that answers a question
- 4. the smallest unit in an organism
- 7. atoms bonded together form these; we need varying ________ from food and air to release energy in the body
- 9. a type of food that breaks down into amino acids
- 10. the molecule we need from air
Down
- 1. this system carries nutrients throughout the body
- 2. this molecule is released as a waste product during cellular respiration
- 3. a food molecule created when starches break down
- 5. this body system brings oxygen in from the environment
- 6. this organelle is where energy is created in the cells
- 8. the body needs glucose and oxygen in order to generate __________ for the body's functions