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प्रश्न
What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies.
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उत्तर
Haemoglobin is the main respiratory pigment present in RBC that binds O2. Haemoglobin comprises 4 sub units each containing an Fe atom bound to haem group.
Haemoglobin deficiency leads to Anemia.
If Haemoglobin is less, oxygen carrying capacity of blood decreases and results in fatigue, loss in weight, problems in conception etc.
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संबंधित प्रश्न
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?
Why is it necessary to know the blood groups before giving transfusion?
Name the following:
The phase of the cardiac cycle in which the auricles contract.
The table below is designed to indicate the transport of certain substance in our body. Fill in the
blanks with suitable answers.
| Substance | From | To |
| Lungs | Whole body | |
| Carbon dioxide | ||
| Urea | ||
| Digested carbohydrates |
Intestines | |
| Target organs |
Which side of the heart (left or right) contains oxygenated blood?
Name the three kinds of blood vessels found in human beings. With the help of suitable diagrams, differentiate between them.
Describe the functions of the: Heart
Describe the functions of the: Blood
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
Analogy
Arteries : Carry blood from the heart:: _________ :carry blood to the heart.
