Question
Differentiate between
External respiration and Internal respiration
External respiration and Internal respiration
| External respiration | Internal respiration | ||
| 1 | It is the mechanical process of inhaling and exhaling air It does not involve any enzymes. | 1 | It is a complex biochemical process in which ensure involved. |
| 2 | It is the mechanical process of inhaling and exhaling air It does not involve any enzymes. | 2 | It involves the oxidation of glucose into carbon dioxide, water, and energy. |
| 3 | No energy is released. | 3 | Energy is released and stored in the form of ATP. |
| 4 | It takes place outside the cell. | 4 | It takes place inside the cell. |
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| Group | Characteristic features | Odd one out |
| Porifera | porous animals, have tentacles, fixed to surface | |
| Amphibia | cold-blooded, lungs in adults, scaly skin | |
| Aves | cold-blooded, wings, feathers, bones with large air spaces | |
| Pisces | live in water, scaly skin warm-blooded, fins for swimming |
| Column A | Column B |
| (1) Fibrous connective tissue | (a) blood |
| (2) Fluid connective tissue | (b) cartilage |
| (3) Supportive connective tissue | (c) Supportive connective tissue another bone. |
| (4) Ligament | (d) areolar tissue |
| (5) Tendon | (e) connects a muscle with a bone. |