Across
- 2. an animal that a carnivore eats
- 4. a muscular organ for pumping blood through the body
- 10. system the organ system that an animal or human uses to move around
- 11. an animal that feeds on plants
- 12. the organ system that supports the bodies of many animals
- 13. a structure on the underside of an mushroom's cap containing cells that produces spores or an organ that exchanges gases with aquatic surroundings
- 14. an organ in vertebrates that exchanges gases with air
- 16. system the multiple organs that bring in oxygen and remove carbon dioxide from the body
- 19. feeder an animal that strains tiny algae, protists, or other food item out of the water
- 20. an organ that conducts blood through an animal's body
- 21. an animal that gets most or all of its energy and nutrients from eating other animals
- 22. a bundle of neurons
Down
- 1. system a system of special organs that rid an animals body of cell waste
- 3. system the organ system that ensures that all the body systems of an animal work together
- 5. digestion the form of digestion that uses chemicals to breakdown food molecules into nutrients
- 6. system the body system that breaks down food and absorbs nutrients
- 7. an animal that eats dead animals
- 8. digestion the form of digestion that grinds and crushes food into smaller pieces
- 9. system the multiple organs that work together to transport nutrients and oxygen to cells and remove waste and carbon
- 15. an organ in vertebrates that filters waste from the blood
- 17. a tiny opening that takes in air along the side of the body of certian animals
- 18. an animal that will eat both plants and and animals
- 22. special cells that collect information and transmit electrical impulses
