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प्रश्न
_____ gas is transported to all parts of the body.
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उत्तर
Oxygen gas is transported to all parts of the body.
संबंधित प्रश्न
Explain with tile help of a chart, explain the compatibility of human blood groups.
Given below is a diagram of a human blood smear.
Study the diagram and answer the questions that follow:

a) Name the components numbered ‘1’ to ‘4’
b) Mention two structural differences between the parts ‘1’ and ‘2’.
c) Name the soluble protein found in part ‘4’ which forms insoluble threads during clotting of blood.
d) What is the average lifespan of the component numbered ‘1’ ?
e) Component numbered ‘1’ do not have certain organelles but are very efficient in their function. Explain
Given alongside is a diagram of human heart showing its internal structures. Label the parts marked 1 to 6, and answer the following questions.

- Which type of blood is carried by the blood vessel marked 2?
- Name the main artery which takes the blood from heart to different parts of the body?
- Which chamber of the heart receives deoxygenated blood from the body?
When are the sounds "LUBB" and "DUP" produced respectively during heart beat?
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
artery and vein (type of blood primarily flowing through)
Give reason for the following:
The walls of the left ventricle are thicker than the walls of all other chambers.
True or false:
People with blood group ‘O’ are called universal recipients
Veins have valves at intervals in their inner lining whereas the arteries do not have valves. Explain.
Explain the main parts of the circulatory system.
Given diagram is a schematic representation of the circulatory system in humans. Study the same and answer the questions that follow:
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- Label the parts 1 and 4 indicated in the diagram.
- Which of the above mentioned number is the thickest artery? Also write its name.
- Mention the number and chamber of the heart which has the thickest muscular wall.
- Which of the above numbers/structures has the maximum number of blood capillaries?
- Draw neat and labelled diagrams of the transverse section of vena cava and the part numbered as 3. Make sure to show the structural differences between these two in the diagram.

