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प्रश्न
Name the following:
The structure that holds the heart valves in position.
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उत्तर
Pacemaker
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संबंधित प्रश्न
The diagram below represents the simplified pathway of the circulation of blood. Study the same and answer the questions which follow:
(i) Name the blood vessels labelled 1 and 2.
(ii) State the function of blood vessels labelled 5 and 8.
(iii) What is the importance of the blood vessel labelled 6?
(iv) Which blood vessel will contain a high amount of glucose and amino acids after a meal?
(v) Draw a diagram of the different blood cells as seen in a smear of human blood.
Mention the exact location of the Pulmonary semilunar valve
Draw the structure of a human heart and label its parts.
Given below is a certain structure, write its chief functional activity.
Bone marrow - ______.
True or false:
The four blood groups in human beings are A, B, AB and AO
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
State the Location: Bundle of His
Match the following.
| Group A | Group B |
| (1) Lungs | (a) Circulation |
| (2) Stomach | (b) Respiration |
| (3) Heart | (c) Co-ordination |
| (4) Brain | (d) Digestion |
The process of keeping the blood flowing continuously throughout the body.
 |
Can you answer why the pulmonary artery shown in Fig. is blue in colour?
