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प्रश्न
Write the features that distinguish between the two.
Open and Closed circulatory system
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उत्तर
| Open circulatory system | Closed circulatory system |
| 1. Blood pumped by heart passes through large vessels into open spaces or body cavities called sinuses | 1. Blood pumped by the heart is always circulated through a closed network of blood vessels |
| 2. Less advantageous | 2. More advantageous |
| 3. Flow of fluid cannot be more precisely regulated | 3. Flow of fluid can be more precisely regulated |
| 4. It is present in arthropods molluscs, and hemichordates | 4. It is found in annelids and chordates |
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संबंधित प्रश्न
Write the differences between open and closed system of circulation
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Define the following terms and give their location?
Purkinje fibre
Write the features that distinguish between the two.
Sino-atrial node and Atrio-ventricular node
Answer the following:
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Answer the following:
What is specific in the heart of crocodiles among reptilians?
In the diagrammatic presentation of heart given below, mark and label, SAN, AVN, AV bundles, bundle of His and Purkinje fibres.
