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प्रश्न
What is meant by the term ‘Double circulation’?
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उत्तर
Double circulation is the type of blood circulation in which blood passes through the heart twice during one complete circulation. It consists of pulmonary circulation (heart → lungs → heart) and systemic circulation (heart → body → heart). Therefore, blood circulation in humans is called double circulation.
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संबंधित प्रश्न
Describe double circulation in human beings.
Name the two types of transport systems in the human beings.
Put a tick mark (✓) against the correct alternative in the following statement:
Sphygmomanometer measures
- Pulse rate
- Heart beat
- Blood pressure
- Brain activity
What is the difference between pulmonary circulation and systemic circulation?
Differentiate between the following pair of terms: Pulmonary artery and pulmonary vein
What is the difference between pulmonary circulation and systemic circulation?
State the Location: Hepatic portal vein
In which of the following groups of organisms, blood flows through the heart only once during one cycle of passage through the body?
Which of the following carries nutrients from the digestive tract to the liver?
Select the correct option:
Name the vascular connection that exists between the digestive tract and liver.
Describe the events in cardiac cycle. Explain “double circulation”.
Why is the separation of the right side and the left side of the heart useful? How does it help birds and mammals?
Why is the double circulation of blood in human beings necessary?
Choose the odd one out from the following terms and name the category to which the others belong:
From where to where do the following blood vessel carry blood?
Posterior vena cava
Define portal vein.
The blood vessel which carries blood from the stomach and intestine to the liver:
Write the exact location of the following:
Hepatic portal vein
