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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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The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is ______.
Define the following terms and give their location?
Purkinje fibre
The walls of ventricles are much thicker than atria. Explain.
Write the features that distinguish between the two.
Sino-atrial node and Atrio-ventricular node
Answer the following:
What is specific in the heart of crocodiles among reptilians?
Cardiac activities of the heart are regulated by ______.
- Nodal tissue
- A special neural centre in the medulla oblongata
- Adrenal medullary hormones
- Adrenal cortical hormones
Choose the correct answer from the options given below:
