1)Heart has 4 chambers.
2)2 are auricles : left auricle
: right auricle
3) These are thin walled and are separated by INTERATRIAL SEPTUM.
4)the right auricle recieves deoxygenated of all parts of the body through * superior venacava
*inferior venacava
*pulmonary artery
*coronary sinus
5)2 are ventricles : left ventricle
Right ventricle
These are thick walled and separated by INVENTRICULAR SEPTUM