What happens to our ribcage and diaphragm when we breathe in?
The ribcage moves upwards and outwards while the diaphragm contracts and moves downwards.
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15
True or False: The left lower chamber pumps the oxygenated blood to all parts of our body.
True
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15
Earthworms and frogs have thin and ____________________ for breathing.
moist skin
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thief
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star
Double points!
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gift
Win 5 points!
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banana
Go to last place!
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15
What are phloem?
Food-carrying tubes. They carry sugar/food made mainly by leaves to all other parts of the plant.
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15
Why are gills rich in blood?
Oxygen is transported in the blood. The gills have a lot of blood vessels to increase the efficiency of gas exchange or to be able to absorb oxygen more quickly
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15
True or False: The left upper chamber of our heart receives the oxygenated blood from the lungs.
True
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15
True or False: The heart is a muscular organ.
True
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15
Describe the difference in the amount of oxygen in blue-coloured side of the heart and the red-coloured side of the heart.
Blue-coloured side of the heart has less oxygen than the red-coloured side of the heart.
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15
True or False: Exhaled air contains much more carbon dioxide than oxygen.
False
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15
What happens to our ribcage and diaphragm when we exhale?
Our ribcage moves downwards and inwards while our diaphragm relaxes and moves upwards.
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15
Describe the difference in the amount of carbon dioxide in blue-coloured side of the heart and the red-coloured side of the heart.
The blue-coloured side of the heart in the picture has more carbon dioxide than the other side.
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15
True or False: The unoxygenated blood enters the right lower chamber and sends to the left upper chamber for gas exchange.
False. The unoxygenated blood enters the right upper chamber.
