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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
Explain Pulse
Name the following:
The blood vessel which supplies blood to the liver.
Given below is a certain structure, write its chief functional activity.
Blood platelets - ______
Given below is a certain structure, write its chief functional activity.
Bone marrow - ______.
Fill in the blanks with suitable words given below:
The two lower chambers of the heart are called ______.
Given below is a schematic representation of the circulatory system in man. Study the same and answer the questions that follow:
(i) Label the parts 1 to 4 indicated in the diagram.
(ii) Give one difference between parts 1 and 2 based on:
(a) their structure
(b) the nature of blood flowing through them.
(iii) What is the specific name of the type of blood circulation that takes place between the heart and the lungs?
(iv) Name the valve found at the beginning of the part labeled 3.
Analogy
Arteries : Carry blood from the heart:: _________ :carry blood to the heart.
______ prevent blood clotting.
Which of the following cells are produced from reticulocytes?
The nodal tissue located in the lower left corner of right atrium is ______.
