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प्रश्न
Which vein brings clean blood from the lungs into the heart?
विकल्प
Renal vein
Pulmonary vein
Vena cava
Hepatic vein
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उत्तर
Pulmonary vein
Explanation:
The Pulmonary vein carries oxygenated blood (clean blood) from the lungs into the heart.
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संबंधित प्रश्न
Which of the following is mesodermal is the origin?
What is hypertension? Why is it caused? What harm can it do?
Refer to fig. 7.3 and answer the following questions:
(i) Impure blood is received by
(ii) Which chamber has thickest wall
(iii) Function of bicuspid value
(iv) Function of tricuspid value
Match the terms given in column I with terms in Column II:
| Column I | Column Il |
| (i) Left-auricle | (a) Clotting |
| (ii) Right auricle | (b) Thebasius valve |
| (iii) Left ventricle | (c) Pulmonary vein |
| (iv) Right-ventricle | (d) Aorta |
| (v) Fibrin | (e) Pulmonary arch |
Choose the correct answer:
Bundle of 'His' is found in ___________
The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
Which part of the heart is contracting in this phase? Give a reason to support your answer.
Complete the following sentence with appropriate word:
The average heartbeat rate is ____ beats per minute in human being.
State the Function: Bundle of His
State the Function: Bicuspid valve
Describe pericardium.
The number of chambers in human heart are _______
The normal human heartbeat rate is about ______ time per minute.
The inner surface of the ventricle is thrown into series of irregular muscular ridges called ______
In the given figure of the heart which of the marked structures (1, 2, 3, 4, 5) carries oxygenated blood.
Draw a neat diagram of the conducting system of human heart and label AV node, Bundle of His and Purkinje fibres.
Give reason:
Valves are present in the veins.
The diagram below depicts the human heart in one of its phases. Answer the questions that follow:
- Which part of the heart is in the contraction phase?
- Give a suitable reason to justify your answer in (a).
- Distinguish between Systole and Diastole.
Give the exact location of the pericardium.
Distinguish between the following pair on the basis of words indicated in the bracket ( ):
Mitra! valve and Tricuspid valve (Location)
Given below is a diagram of the external features of the human heart. Study the figure and answer the questions that follows:
 |
- Label the guidelines shown as 1 to 6 in the figure.
- Write the important role of parts 5 and 6.
- Name the chamber of the heart which collects blood from the lungs through a blood vessel. Also write the name of the blood vessel.
- Write one structural and one functional difference between the blood vessels 4 and 5.
- What happens when there is a blockage in any coronary artery or any of their branches?
