Across
- 3. lower chamber of the heart
- 5. A muscular tube that connects the mouth to the stomach.
- 8. Large, flat muscle at the bottom of the chest cavity that helps with breathing Tissue
- 10. Found in the kidney, little filter that blood goes through.
- 11. tiny sacs of lung tissue specialized for the movement of gases between air and blood
- 12. where digestion begins
Down
- 1. Filters waste from the blood like urea, water, salt and proteins.
- 2. The basic unit of structure and function in living things
- 4. Allows air to pass to and from lungs`
- 6. A collection of tissues that carry out a specialized function of the body. Organ System group of organs that work together to perform a specific function
- 7. large muscular sac that continues the mechanical and chemical digestion of food
- 9. upper chamber of the heart