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प्रश्न
Which organ acts as a pump in the circulatory system?
उत्तर
In the circulatory system, the heart acts as a pump to push out blood.
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संबंधित प्रश्न
The blood from the heart is transported to all parts of the body by the ______.
Why is blood needed by all the parts of a body?
Differentiate between LUBB and DUP (names of the valves whose closure produce the sound)
Give reason for the following:
Blood flowing away from the stomach and intestines is put into circulation via the liver and
not directly.
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].
Explain the structure and function of human blood.
True or false:
The four blood groups in human beings are A, B, AB and AO
Name the main parts of the circulatory system
Explain the Term
Hepatic Portal System
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leucocytes show amoeboid movement.
