Across
- 2. blood vessel that carry oxygen rich blood
- 3. pumps blood into the blood vessels
- 5. the pull force between the particles are very weak
- 6. this type of vessels carry impure blood
- 8. is more in inhaled air
- 9. it carry nutrients and water to all parts of body
- 10. plants buried under the soil for years
Down
- 1. this kind of energy makes us feel warm or hot
- 4. the process by which food and oxygen combine to obtain energy
- 7. wind energy is converted to electrical energy by this machine