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Question
How many litres of blood does an adult human body have?
Solution
5.5 litres of blood
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RELATED QUESTIONS
The diagram given below represents a section of the human heart. Answer the questions that follow :
(i) Which parts of heart are in the diastolic phase? Give a reason to support your answer.
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(iii) What causes the heart sounds ‘LUBB’ and ‘DUP’?
(iv) Name the blood vessels that supply oxygenated blood to the heart muscles.
(v) Draw neat labelled diagrams of a cross section of an artery and a vein.
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Find out my partner.
| Group 'A' | Group 'B' |
| 1. Heart beats | a. 350 ml |
| 2. RBC | b. 7.4 |
| 3. WBC | c. 37∘C |
| 4. Blood donation | d. 72 |
| 5. Normal body Temperature | e. 50-60 lakh/mm3 |
| 6. pH of oxygenated blood | f. 5000-6000 per mm3 |
Cardiac muscles are ______.
Differentiate between:
Red blood cells and White blood cells
Describe how the exchange of oxygen and carbon dioxide gases takes place in the lungs.
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Reduction in number of ______ can cause clotting disorder, leading to excessive loss of blood from the body.
Which component of the haemoglobin molecule combines with the oxygen molecule to form oxyhaemoglobin?
