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प्रश्न
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उत्तर
The circulatory system is a system of organs that facilitates the flow of materials throughout an organism's body via extracellular fluid.
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संबंधित प्रश्न
The blood from the heart is transported to all parts of the body by the ______.
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
What is the function of tonsils?
pH of oxygenated blood is ______.
Name the three kinds of blood vessels found in human beings. With the help of suitable diagrams, differentiate between them.
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 types 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?
- Which chamber of the heart receives oxygenated blood from the lungs?
True or false:
The four blood groups in human beings are A, B, AB and AO
Agranulocytes are about ______ % of total WBCs.
Serum differs from blood in lacking ____________.
