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प्रश्न
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.
उत्तर
(i)
1. Right auricle
2. Left ventricle
3. Aorta
4. Body organs
(ii)
| Right Auricle | Left Ventricle |
| The wall of the right auricle is thinner and smooth. | The wall of the left ventricle is thicker and rough. |
| The deoxygenated blood flows. | The oxygenated blood flows. |
(iii) Pulmonary circulation.
(iv) Aortic semilunar valve
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संबंधित प्रश्न
How do you account for the following difference?
The left ventricle has thicker walls than the right ventricle.
Find out my partner.
| Group 'A' | Group 'B' |
| 1. Heart beats | a. 350 ml |
| 2. RBC | b. 7.4 |
| 3. WBC | c. 37∘C |
| 4. Blood donation | d. 72 |
| 5. Normal body Temperature | e. 50-60 lakh/mm3 |
| 6. pH of oxygenated blood | f. 5000-6000 per mm3 |
Multiple choice questions. Tick ( ✓ ) the correct choice:
Human heart has
Multiple choice questions. Tick ( ✓ ) the correct choice:
The blood vessels in which blood goes away from the heart to different body parts are
Granulocytes are also known as ____________.
Which of the following is a major part of the plasma?
The nodal tissue located in the lower left corner of right atrium is ______.
Name the following:
The structure that holds the heart valves in position.
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
Name these:
Two kinds of circulatory systems in different animals.
