Across
- 2. groups of organs that work together to perform major body functions
- 4. organs that filter waste from the blood and produce urine
- 8. a fluid that carries oxygen, nutrients, and waste around the body
- 10. a muscle under the lungs that helps with breathing by moving up and down
- 12. the smallest unit of life; all living things are made of cells
- 13. the job or role something has in a system or process
- 14. a muscular organ that breaks down food with acids and enzymes
- 15. the system that allows breathing and gas exchange between the body and air
- 19. the part of the digestive system that absorbs water and forms solid waste
- 20. the system of bones that supports the body and protects internal organs
- 21. organs that take in oxygen and remove carbon dioxide during breathing
- 22. what happens when a plant loses too much water and becomes limp or droopy
Down
- 1. an organ that breaks down toxins, stores nutrients, and helps digestion
- 3. the part of the digestive system where most nutrients from food are absorbed
- 5. the system that breaks down food and absorbs nutrients into the body
- 6. the system that transports blood, oxygen, and nutrients throughout the body
- 7. an organ that stores urine before it is removed from the body
- 9. a group of tissues working together to carry out a specific function in the body
- 11. a muscular organ that pumps blood around the body
- 16. a group of similar cells working together to perform a function
- 17. the outer covering of the body that protects it and helps control body temperature
- 18. tubes like arteries and veins that carry blood throughout the body