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 |
The opening of auricles and ventricles on the right side is guarded by
Draw a labelled diagram showing internal structure of heart.
Trilobed valve present between right atrium and ventricle in mammalian heart is
‘Bundle of His’ is a part of which one of the following organs in humans?
In the heart of mammal the bicuspid valve is situated between