Difference between Atria and Ventricles
No. |
Atria |
Ventricles |
1. | Upper chamber of the heart are two in number and are known as Atria. | Lower chambers of the heart are two in number and are known as Ventricles. |
2. | Atria are small. | Ventricles are large. |
3. | Atria is divided into two type i. e. right atrium and left atrium. | Ventricles are divided into two type i. e. right ventricle and left ventricle. |
4. | Atria collects the blood and provide or supply it to the ventricle. | Ventricles push blood throughout the body. |
5. | In the atria, deoxygenated blood is received by right atrium through superior and inferior vena cava. | In the ventricles, deoxygenated blood is received by the ventricle through right atrium. |
6. | In the atria, oxygenated blood is received by left atrium through four pulmonary veins. | In the ventricles, oxygenated blood is received by the left ventricle through left atrium. |
7. | Right atrium of atria contains SA node. | Ventricles contain Purkinje fiber. |
8. | Right atrium of atria supply blood to the right ventricle. | Right ventricle supply blood to the pulmonary artery. |