Across
- 2. A digestive structure that mixes digestive juices with food and absorbs useful parts of the food.
- 4. A material consisting of solid parts floating in liquid plasma, which moves substances through an animal’s body.
- 8. Blood vessels that carry blood away from the heart.
- 10. The process that breaks down food into smaller substances that the body can use.
Down
- 1. A digestive structure that removes water from undigested food.
- 3. A digestive structure lined with muscles that stir the food and mix it with digestive juices.
- 5. Balloon-like structures in the bodies of some animals that take in air and release waste.
- 6. Blood vessels that carry blood back toward the heart.
- 7. The process of moving blood and the materials it carries through an animal’s body.
- 9. A pump made of muscle that moves blood through the body.