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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
What is the liquid part of the blood called? What is the function of platelets in the blood?
Name the following:
The phase of the cardiac cycle in which the auricles contract.
What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies.
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 |
Fill in the blank:
______ carry pure blood.
In what ways does the blood entering the kidney differ from that leaving the kidney?
Match the following.
| Group A | Group B |
| (1) Lungs | (a) Circulation |
| (2) Stomach | (b) Respiration |
| (3) Heart | (c) Co-ordination |
| (4) Brain | (d) Digestion |
Analogy
Lungs: Respiratory system:: _______: Circulatory system.
Which of the following is/are required for the production of RBCs?
______ is a granulocyte.
