Term
| What do we need to survive? |
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Definition
| energy and nutrients from food water, warmth, oxygen to get rid of wastes (Carbon dioxide, toxic chemicals, undigested food) protection from disease to sense the environment |
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Term
| What happens in the lungs? |
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Definition
| oxygen from the air moves into the blood and carbon dioxide moves from the blood to the air. |
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Term
| What is used to test for carbon dioxide? |
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Definition
| lime water (turns cloudy) |
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Term
| Where are the lungs found? |
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Definition
| inside our ribcage on either side of the heart. |
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Term
| What is the name of the tube that takes air in and out of the lungs? |
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Definition
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Term
| Name the two tubes that branch out from the windpipe |
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Definition
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Term
| Name the smaller tubes that branch out from the bronchi |
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Definition
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Term
| What is at the end of each bronchiole? |
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Definition
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Term
| Name the muscles that cause the breathing movements |
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Definition
| muscles between the ribs and the diaphragm |
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Term
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Definition
| the rib cage moves up and out & the diaphragm moves down |
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Term
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Definition
| rib cage moves down and in & the diaphragm moves up |
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Term
| What keeps the lungs clean ? |
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Definition
| mucus and tiny hairs in the air passages |
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Term
| What does the mucus in the lungs do? |
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Definition
| the mucus traps dirt and germs which may be in the inhaled air |
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Term
| What do the tiny hairs in the lungs do? |
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Definition
| sweep the mucus up to your throat to clean the lungs |
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Term
| Name three harmful chemicals in cigarette smoke |
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Definition
| Nicotine, carbon monoxide, tar |
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Term
| How does the nicotine in cigarette smoke harm the lungs? |
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Definition
| paralyses the tiny hairs preventing them from cleaning the lungs. |
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Term
| How is the carbon monoxide in cigarette smoke harmful? |
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Definition
| it is a poisonous gas found in cigarette smoke. This gas reduces the ability of the blood to carry oxygen. |
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Term
| How is the tar in cigarette smoke harmful? |
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Definition
| The tar in cigarette smoke sticks to the airways and increases the risk of cancer. |
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Term
| What is the vital capacity of the lungs? |
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Definition
| the maximum volume of air we can breathe out after we have taken a deep breath. |
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Term
| What is the tidal volume of the lungs? |
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Definition
| the volume of air breathed in and out in a normal breath. |
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Term
| What is the peak flow of the lungs? |
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Definition
| a measure of the maximum rate at which air can be forced from the lungs |
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Term
| Name four factors that can affect the lung measurements. |
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Definition
| Age, Gender, Size, fitness |
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