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RESPIRATION AND EXCRETION
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Pollutants are found in paint, glue and cleaning products. True or false?
False. These are toxic substances
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Name one of the habits to keep the excretory system healthy
1. Drinking enough water
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Name one of the habits to keep the excretory system healthy
1. Drinking enough water. 2. Keeping our skin clean
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What gas do we expel when we exhale?
We expel carbon dioxyde
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During inhalation the thorax expands. True or false?
True
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The respiratory system is made up of the nose, the trachea and the blood vessels. True or false?
False
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When we sweat what do we eliminate?
Waste substances
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When we exhale the diaphragm contracts. True or false?
False. It relaxes
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We expel urine through this tube....
The urethra
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The bronchi are two spongy and elastic organs. True or False?
False. It's the lungs
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This tube connects the nose and the lungs
The trachea
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The kidneys filter blood. True or false?
True
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What is the name of the organ where the urine is kept?
The bladder
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