Each of these organs has a different purpose, but they're all very important!
The heart is the pumping organ which is accountable for transportation of blood after its proper oxygenation from lungs. It is responsible for our life functions to high extent.
The LiverThe liver is the largest internal gland and organ. It is responsible for killing the extra and fatal stuff present in our blood.
Blood moves through it for proper and full and final cleansing. It is also accountable for controlling blood level in body. It is concerned with food and blood.
Our lungs are responsible for breathing and respiration, and are accountable for inhalation of oxygen and exhalation of carbon dioxide.
They contain alveoli, which are responsible for taking carbon dioxide from blood and giving oxygen to the blood. Its rinses off the blood very nicely.
The pancreas is an internal gland. It controls sugar level in body by the help of glucose control, and plays a vital role in control of diabetes and other glucose-related conditions.
The Small Intestine
The small intestine is accountable for final digestion of food. It sends digested food to all parts of the body. It also sends undigested food to large intestine.
The Large Intestine
The large intestine is responsible for final digestion and removal of undigested food stuff from small intestines in the end.