Advertisements
Advertisements
Question
Name of the valve between the left atrium and left ventricle and give its significance.
Advertisements
Solution
Bicuspid or mitral valve is present between the left atrium and left ventricle. It prevents the backflow of blood from the ventricles to the auricle or atrium.
APPEARS IN
RELATED QUESTIONS
Normal activities of the heart are regulated by ______________.
What is the the other name of 'high blood pressure'?
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’.
Explain the Term
Electrocardiogram (ECG)
Choose the Odd One Out:
Give scientific reason.
Left ventricle is thick than all other chambers of heart.
Heart is made up of ______.
Mammalian lungs have enormous number of minute alveoli, which permits more ______.
The QRS complex in a standard ECG represents ______.
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.
