The part of the plant that make food is called?

1. The part of the plant that make food is called?
2. Which of this is a living thing?
3. The ability to do work is called?
4. Boiling point of water is?
5. Which organs pump blood in the body?
6. Animals that feed on both plant and animals are called?
7. The gas needed for burning is?
8. The first class of food is?