Give difference : Atrium and Ventricles
Auricles/Atria | ventricles |
$(1)$ It is located in the upper broad part of the heart. | $(1)$They are located towards the lower end of the heart. |
$(2)$ It has thin wall. | $(2)$ It has thick wall. |
$(3)$ Atria are smaller in size than ventricles. | $(3)$ Ventricles are bigger in size than auricles. |
$(4)$ Deoxygenated blood is circulated in atria. | $(4)$ Oxygenated blood is circulated in ventricles |
Match the items given in Column $I$ with those in Column $II$ and select the correct option given below:
Column-$I$ |
Column-$II$ |
$(a)$ Tricuspid valve |
$(i)$ Between left atrium and left ventricle |
$(b)$ Bicuspid valve |
$(ii)$ Between right ventricle and pulmonary artery |
$(c)$ Semilunar valve |
$(iii)$ Between right atrium and right ventricle |
Definition / Explanation :
$(1)$ Semi lunar valve
Describe internal structure of heart in detail.
What is called Mitral valve?
Purkinje fibres are present in