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प्रश्न
Differentiate between LUBB and DUP (names of the valves whose closure produce the sound)
उत्तर
LUBB is produced by atrioventricular valves, whereas DUBB is produced by semilunar valves.
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संबंधित प्रश्न
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
Name the following:
Any one vein which starts from an organ and ends in another organ besides the heart
Why do people have a common belief that the heart is located on the left side of the chest?
How do you account for the following difference?
The left ventricle has thicker walls than the right ventricle.
Give reason for the following:
The blood groups of both the donor and recipient must be known before transfusing blood.
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process? Briefly explain the precautions to be taken in this process.
Why is a person having blood group AB called universal recipient and a person with blood group O called a universal donor?
Veins have valves at intervals in their inner lining whereas the arteries do not have valves. Explain.
Identify the function of the erythropoietin hormone produced by kidney cells.
Identify the CORRECT statement/s regarding blood clotting.
