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Environmental Studies 1
_____ gas is transported to all parts of the body.
Chapter: [21] Busy at Work - Our Internal Organs
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The stomach is like a ______.
Chapter: [21] Busy at Work - Our Internal Organs
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Match the following.
| Group A | Group B |
| (1) Lungs | (a) Circulation |
| (2) Stomach | (b) Respiration |
| (3) Heart | (c) Co-ordination |
| (4) Brain | (d) Digestion |
Chapter: [21] Busy at Work - Our Internal Organs
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Name the systems that carry out the different functions of the body.
Chapter: [21] Busy at Work - Our Internal Organs
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Describe how the exchange of oxygen and carbon dioxide gases takes place in the lungs.
Chapter: [21] Busy at Work - Our Internal Organs
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Why do we call saliva a digestive juice?
Chapter: [21] Busy at Work - Our Internal Organs
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Respiration takes place because of its up and down movement.
Chapter: [21] Busy at Work - Our Internal Organs
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The process of keeping the blood flowing continuously throughout the body.
Chapter: [21] Busy at Work - Our Internal Organs
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Give reason.
The numbers of wild animals are falling day by day.
Chapter: [18] The Environment and Us
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