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प्रश्न
Multiple choice questions. Tick ( ✓ ) the correct choice:
The four blood groups in humans are
पर्याय
A, B, C and D
A, B, AB and C
A, B, AB and O
A, B, AB and OO
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उत्तर
A, B, AB and O
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संबंधित प्रश्न
what is Venule?
Given below is a highly schematic diagram of the human blood circulatory system.
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- Which part (state the number) represents the heart? Give reason in support of your answer.
- Which numbers represent the following, respectively?
Aorta Superior vena cava Hepatic portal vein Renal Vein Pulmonary artery Stomach
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].
What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies.
Explain the structure and function of human blood.
Draw the structure of human heart and label its parts
Find the odd one out, giving reason.
Complete the following sentence with appropriate word:
Beside food, oxygen and waste materials, circulatory system transports ________ to various parts of the body.
The process of keeping the blood flowing continuously throughout the body.
Blood is produced in the bone marrow.

