Heart & Excretory System: Understanding Their Roles

The heart is not a part of the excretory system. It is a vital organ in the circulatory system, which is responsible for the transport of oxygen, nutrients, and hormones to the cells and tissues of the body, and for the removal of waste products. The excretory system is responsible for removing metabolic waste products from the body, and includes the kidneys, liver, lungs, skin, and sweat glands.