Across
- 3. air sacs in the lungs that help with carbon dioxide and oxygen exchange
- 7. the chemical element that all humans need to survive
- 8. scientist that
- 12. a structure of the human body that allows you to breathe in and out
- 15. first person to suggest that an essential substance is taken in by the lungs and transported by blood vessels
- 16. tiny hairs that help filter our dust and other impurities from the air you breathe out of your airways; this works by the tiny hairs moving in a wave-like motion
- 17. figure out the respiratory system, specifically the pulmonary capillaries
- 18. this structure is located at the entrance of your trachea and is what closes as your swallow food or liquids to keep it clean out of your airway
- 19. A system of organs and tissues that are responsible for respiration, circulation, metabolism--also commonly known to be responsible for gas exchange for short
- 20. as your lungs pull in and out air through your mouth and nose, what is the muscle that is doing that action?
Down
- 1. Marcello Malpighi in the 17th century shared his discovery of this
- 2. what leads to tiny air sacs called alveoli?
- 4. an action you should do to keep a healthy respiratory system (ex. swimming, biking, walking, running)
- 5. action that often involves the use of cigarettes that you want to avoid because it can contain harmful chemicals that cause many respiratory diseases and problems
- 6. A system of two organs that help move oxygen from the air you’ve inhaled and passes the air into your bloodstream
- 9. also known as the voice box, is able to produce sound when air moves in and out of your body
- 10. include the 3 sections of your lungs; there are three lobes in your right lung and two in your left
- 11. is also known as the windpipe that connects your throat and lungs, so the air can travel through
- 13. acute illness that occurs when your alveolus are inflamed that affect the lungs
- 14. this person learned that oxygen and carbon dioxide were transported in the lungs