Across
- 3. the substances that you take into your body as food and the way that they influence your health
- 6. any of the tubes through which blood flows in the body
- 9. a long tube through which food travels from the stomach and out of the body while it is being digested
- 10. the body’s process of changing food chemically into a form that it can use
Down
- 1. relating to the heart and blood vessels
- 2. the smallest unit of any chemical element
- 4. the tube in the body that carries food from the mouth to the stomach
- 5. a group of related cells that forms larger parts of animals and plants
- 6. the scientific study of the natural processes of living things
- 7. a part of the body of an animal or plant that performs a particular job
- 8. an organ in the body where food is digested