What is Respiration?
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Class: Basic 5

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Subject: Basic Science and Technology
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Topic: Revision (Respiration and Excretion)
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Instructions: Read and answer the following questions correctly.

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1. What is Respiration?
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2. The air we breathe in is called ________________, while the air we breathe out is called ______________________.
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3. List three respiratory organs in the body.
____________, ____________ and ______________.
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4. The ____________ connects the nose and bronchi.
(a) mouth (b) wind pipe (c) Lungs
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5. When air is breathed in, we say air is ______________.
(a) exhaled (b) inhaled (c) excreted
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6. ________________ is the process where by waste products are removed from the body. (a) Circulation (b) Respiration (c) Excretion
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7. The skin removes ________ from the body. Â

(a) urine (b) sweat (c) bile salt
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8. The excretory organs in the human body are _____________, ______________, _____________ and ___________

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9. There are ________ kidneys in our body.Â
(a) two (b) four (c) three

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10. Complete the equation below on respiration:
Food + ___________ = Water + Carbondioxide + ____________
