MEDIUM
10th ICSE
IMPORTANT
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The following simplified diagram refers to the outline plan of the circulation of blood in a mammal. Study the diagram and write the number and the name of the blood vessel in the case given below. 

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Which vessel begins and ends in capillaries?

Important Questions on The Circulatory System

MEDIUM
10th ICSE
IMPORTANT

The following simplified diagram refers to the outline plan of the circulation of blood in a mammal. Study the diagram and write the number and the name of the blood vessel in the case given below. 

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Which vessel will contain the smallest number of red blood cells per unit volume of blood?

MEDIUM
10th ICSE
IMPORTANT

The following simplified diagram refers to the outline plan of the circulation of blood in a mammal. Study the diagram and write the number and the name of the blood vessel in the case given below. 

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In which vessel will the blood carry the most oxyhaemoglobin?

HARD
10th ICSE
IMPORTANT

Given below is a simple diagram of the circulation of blood in a mammal showing the main blood vessels, the heart, lungs and body tissues. The blood vessels, labelled 6, contain deoxygenated blood and the valve leading to it has three semi-lunar pockets.

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Name the blood vessels or organs marked by numbers 1 to 8.

MEDIUM
10th ICSE
IMPORTANT

Given below is a simple diagram of the circulation of blood in a mammal showing the main blood vessels, the heart, lungs and body tissues. The blood vessels, labelled 6, contain deoxygenated blood and the valve leading to it has three semi-lunar pockets:

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What do you mean by the term double circulation' of blood in mammals?

MEDIUM
10th ICSE
IMPORTANT

Given below is a simple diagram of the circulation of blood in a mammal showing the main blood vessels, the heart, lungs and body tissues. The blood vessels, labelled 6, contain deoxygenated blood and the valve leading to it has three semi-lunar pockets:

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What is diastole?

MEDIUM
10th ICSE
IMPORTANT

 Diagram given below indicates one phase of the heart contraction.

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Name the phase and label the guidelines 1-6.

EASY
10th ICSE
IMPORTANT

 Diagram given below indicates one phase of the heart contraction.

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What does the arrow indicate?

MEDIUM
10th ICSE
IMPORTANT

The diagram is given below indicates one phase of the heart contraction.

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How many valves are present in the above diagram? What is the function of the valves?