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sci triv wk6
Mrs. Hussey 5th Grade Science
| Question | Answer |
|---|---|
| What is respiration | process of inhaling and exhaling |
| What percentage of the air you inhale is composed of oxygen | 20.9% |
| What happens to the diaphragm when you breathe | the diaphragm contracts and moves down |
| What is the scientific word for wind pipe | trachea |
| The nose (nasal cavity) is the first part of the respiratory system. When you breathe in, what happens to the air when it enters the nasal cavity | nasal cavity cleans the air and filters it from dirt and dust |
| What are the bronchi | tubes that lead to the lungs, clean and moisten the air we breathe |
| What do the alveoli do | air sacs, allow oxygen to pass from lungs into your blood vessels |
| Why does the pharynx need to have cilia | to trap dirt that wasn't captured by the nasal cavity |
| What gas is released during respiration | carbon dioxide |
| The air that we inhale and exhale is composed mostly of what gas | nitrogen 79% |
Created by:
rhgoldie
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