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Description
Flashcards by lalalucy13, updated more than 1 year ago
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Created by lalalucy13
over 11 years ago
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| Question | Answer |
| What are the functions of the breathing system? | *To take in oxygen gas * To excrete carbon dioxide gas * To excrete water vapour |
| What is external respiration? | External Respiration is a physical process that transfers gases between the body and the outside world. |
| When taking in a breath. What happens? | *The diaphram pulls downwards. *The rib cage expands |
| What are the parts of the breathing system? | Larynx, Trachea, Lungs, Broncus, Bronchiole, Alveoli, Intercostal Muscles, Ribcage, Diaphram, Rings of Cartilage |
| Whats the name given to the tiny blood vessels that cover the outside of the Alveoli? | Capillaries |
| Gases such as oxygen and carbon dioxide pass through the capillaries by a process called _______ | Diffusion |
| What % of Oxygen do we breathe in? | 21% |
| What % of Carbon dioxide to we breathe in? | 0.03% |
| What % of oxygen do we breathe out? | 16% |
| What % of Carbon dioxide do we breathe out? | 4% |
| Some harmless effects of smoking; | Lung cancer, bad nails and teeth, bad breath, throat cancer, asthma and bronchitis get worse. |
| What is breathing also known as? | External Respirtation |
| Oxygen gas leaves the alveoli and enters the bloodsteam | Carbon dioxide gas leaves the bloodstream and enters the alveoli. |
| This swapping of gas is called ______ ____________ | Gaseous Exchange |
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