Across
- 1. One of a pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body.
- 3. It pumps blood all through the body in a process called circulation
- 4. the process of taking in food and converting it into energy and other vital nutrients required for life
- 5. A large organ located in the upper abdomen.
Down
- 1. the fluid that circulates throughout the lymphatic system
- 2. the mode of nutrition where the organism is unable to prepare its food and hence, depends upon plants or other organisms for nutrition