The Respiratory System
Across
- 5. what organ in the human body is not important?
- 6. Tubes formed by the division of the trachea are called?
- 8. A sheet of muscle that separates the chest from the abdomen.
- 9. what does the capillaries surround?
- 11. What does C02 stand for?
- 13. During what do our muscles work at a higher rate?
- 14. Wat gender has a lung capacity of 4.2 litres?
- 15. What gender has a lung capacity of 6.0 litres?
Down
- 1. What is inhaled through the nasal cavity?
- 2. What does air go down?
- 3. What does oxygen dissolve into?
- 4. Our lungs are the size of a?
- 7. The system of organs and tissues that takes the air into your body is called the?
- 10. What flows through the blood stream?
- 12. What is the term used when breathing out?