5th Grade Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Nose | Respiration begins here. It gets the air ready for the lungs. It moistens and cleans the air.
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| Mucus | A thick, sticky liquid made in the nose. Its job is to trap dust and germs.
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| Trachea | Also known as the windpipe. The tube that goes from the nose to the lungs.
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| Where does your body make mucus? | Nose, mouth, throat, trachea, eyes, and ears
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| Cilia | Tiny hairs that move particles of dust and germs from the trachea to the throat through mucus.
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| Respiratory system | The group of organs that takes oxygen from the air and removes carbon dioxide from you body.
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| What do blood vessels in the nose do? | They warm the air.
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| Diaphragm | The large muscle below the lungs that helps you breathe.
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| Blowing your nose helps you get rid of what? | Germs that are trapped in mucus.
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| Exhale | Breathing air out.
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| Inhale | Breathing air in.
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| When we breathe, what fraction of air is oxygen? | One fifth (1/5)
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| Path of the Respiratory System | Nose > Trachea > Bronchial Tubes > Lungs > Air Sacs > Diaphragm
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| Bronchial tubes | Each tube goes into each lung
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| In the lungs, the bronchial tubes divides into smaller and smaller tubes called ______? | Bronchia
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| Air Sacs | The smallest bronchia that are clusters of tiny pouches. They are hollow.
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| CO2 | Carbon Dioxide
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| What are responsible for exchanging carbon dioxide for oxygen in the lungs? | Air sacs
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| Where does the oxygen go after it leaves the air sacs? | The oxygen goes to the blood vessels.
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| Red blood cells | Delivers the oxygen to and from all of the cells in our body.
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| Where are the intercostal muscles located? | Between the ribs.
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| When the intercostal muscles and diaphragm contract what does this allow? | Space in the cavity for the lungs to fill up with air.
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| Capillaries | Tiny blood vessels. They are so narrow that the blood cells go through in a single file line.
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| Destruction of air sacs from smoking cigarettes causes what health condition? | Emphysema
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| Chronic bronchitis and asthma is caused when _____. | Too much mucus is made making the passage way gets smaller. The air has a harder time to get through.
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| How do red blood cells float? | They float in plasma.
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| How do cells get energy? | They break down nutrients.
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| What carries blood away from the heart? | Arteries
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| What carries blood to the heart? | Veins
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| Oxygen-rich blood is this color. | Bright red
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| Deoxygenated blood is this color. | Dark, dull, purplish
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| Your body needs this for every activity (sleeping, running, playing, learning) | ENERGY
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| Cells use energy to help you grow by doing this. | Divides into more cells and repair damaged cells
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| Respiration equation | sugar + oxygen >carbon dioxide + water + energy
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Fhouston
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