Advertisements
Advertisements
Question
Which vein brings clean blood from the lungs into the heart?
Options
Renal vein
Pulmonary vein
Vena cava
Hepatic vein
Solution
Pulmonary vein
Explanation:
The Pulmonary vein carries oxygenated blood (clean blood) from the lungs into the heart.
APPEARS IN
RELATED QUESTIONS
What prevents the backflow of blood inside the heart during contraction?
Choose the correct answer:
In mammals the opening of post caval in the right auricle is guarded by _________
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.
Given alongside is a diagram of the external features of the heart.
(i) Name the parts ‘1’ to ‘7’.
(ii) What happens if the coronary artery gets an internal clot?
(iii) Which type of blood does part ‘5’ carry?
(iv) Mention one structural difference between part ‘5’ and ‘4’.
The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the questions that follow:
![]() |
- Name the phase.
- Which part of the heart is contracting in this phase? Give a reason to support your answer.
- Name the parts numbered 1to6.
- What type of blood flows through the parts marked 'l' and '2' respectively?
- How many valves are closed in this phase?
Name the Following
Layer, which surrounds the heart.
State the Function: Coronary artery
What is the importance of valves in the heart?
____________ guards the left atrioventricular aperture in human heart.
The kidney is located in the thoracic cavity between the two lungs.