The Heart

The heart is a hollow conical muscular organ, situated in the middle line of the anterior part of the body between the oesopharagus above and covered epicoracoid. It is enclosed in a thin-walled  membranous bag, the percardium. the heart consists of 5 chambers, but it is commonly called as three chambered. The contactions of the muscular walls of the heart are called beats which pump the blood to the different parts of the body.