Across
- 2. Largest mammal on earth
- 4. Pumps blood to all parts of the body
- 5. Bees help to ______ flowers
- 8. Humans are _______
- 10. Basic building block of life
- 11. All living things breathe in ______
Down
- 1. pigment in plants that is green
- 3. Controls movement in and out of the cell
- 6. System which pumps blood through the body
- 7. birds reproduce by ______
- 9. The main airway of the body