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1. |
Name the organs of respiration in the following organisms. (a) Flatworm .........`" "` (b) Birds ......... (c) Frog .........`" "` (d) Cockroach ........ . |
Answer» (a) body surface (b) Lungs (c ) Skin , buccopharyngeal lining lungs (d ) Tracheae. |
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