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प्रश्न
Name the following:
The structure that holds the heart valves in position.
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उत्तर
Pacemaker
संबंधित प्रश्न
Differentiate between members of the following pairs with reference to the aspect asked
within bracket:
Erythrocytes and leucocytes (function)
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].
Given below is a highly schematic diagram of the human blood circulatory system.
Which numbers represent the following respectively?
Aorta
Hepatic portal vein
Pulmonary artery
Superior vena cava
Renal vein
Stomach
Fill in the blank:
______ carry pure blood.
True or false:
Blood group A has antigen A.
Explain the Term
Hepatic Portal System
Name the Following
The enzyme which converts fibrinogen to fibrin.
The endocrine glands produce chemical substances called ____
Which of the following health condition refers to the type of blood cancer in which uncontrolled increase in number of WBCs occurs?
Name these:
Two kinds of circulatory systems in different animals.
