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Question
The table below is designed to indicate the transport of certain substance in our body. Fill in the
blanks with suitable answers.
| Substance | From | To |
| Lungs | Whole body | |
| Carbon dioxide | ||
| Urea | ||
| Digested carbohydrates |
Intestines | |
| Target organs |
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Solution
| Substance | From | To |
| Oxygen | Lungs | Whole body |
| Carbon dioxide | Whole body | Lungs |
| Urea | Whole body | Kidneys |
| Digested carbohydrates | Intestines | Whole body |
| Hormones | Endocrine glands | Target organs |
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