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प्रश्न
Haemoglobin is present in ______ cells.
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उत्तर
Haemoglobin is present in red blood cells.
Explanation:
Red blood cells contain haemoglobin, a protein that binds to oxygen and transports it from the lungs to the rest of the body.
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संबंधित प्रश्न
Why is blood needed by all the parts of a body?
With which human organ system (or human systems) is vena cava associated?
The nearest organ to which the heart supplies oxygenated blood is:
What is the function of spleen?
Given diagram shows a simple diagram of the circulation of blood in a mamma showing the
main blood vessels, the heart, lungs and body tissues. The blood vessel, labelled 6, contains
deoxygenated blood and the valve leading to it has three semi-lunar pockets.

(a) Name the blood vessels and organs marked by numbers 1 to 8.
(b) What is meant by the term ‘double circulation’ of blood in mammals?
(c) what is diastole?
[There is an “error” in the diagram. According to the usual practice the pulmonary (lung)
circulation is shown upward and the systemic downward, but here it is reversed].
Fill in the blanks with suitable words given below:
The blood loaded with carbon dioxide from the body comes into the ______ of the heart.
Fill in the blank:
The blood vessels which carry blood from the heart to different parts of the body are called ______.
Draw the structure of human heart and label its parts
Write a short note on the human heart.
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Can you answer why the pulmonary artery shown in Fig. is blue in colour?

