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Earn 100
The keep your blood clean by throwing out urine.
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Important Questions on Learning About Myself
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Match the following.
| Column A | Column B |
| a. Kidney | i. Ground |
| b. Oesophagus | ii. Green |
| c. Patridge's nest | iii. Climbing bird |
| d. Cuckoo | iv. Excretion |
| e. Chlorophyll | v. Food pipe |
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Write briefly about the excretory system.
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The _____ (stomach/kidneys) help to remove excess water and waste materials from the body.
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Fill in the blank with an appropriate word:
The _____ (kidneys/lungs) excrete waste material from the blood.
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Choose the correct word from the box and fill in the blank.
| lungs | kidney | liver | brain |
The main organ of the excretory system is the _____.
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