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प्रश्न
Why is the circulation in man referred to as double circulation?
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उत्तर
In humans, blood passes twice through the heart to supply once to the body.
Double circulation involves:
(i) Systemic circulation,
(ii) Pulmonary circulation.
(i) Systemic circulation: In the systemic circulation, from the left ventricle blood is pumped into the aorta and to various parts of the body.
(ii) Pulmonary circulation: In pulmonary circulation, from the right ventricle deoxygenated blood is pumped into the pulmonary artery which carries blood to the lungs for oxygenation.
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संबंधित प्रश्न
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 does the term ‘double circulation’ mean?
In the given diagram, 'X' indicates ______
Single circulation, i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by which of the following:
Which of the following carries nutrients from the digestive tract to the liver?
In double circulatory system, the function of veins is to carry ______.
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:
The blood vessel which carries blood from the stomach and intestine to the liver:
