What are the components of the transport system in human beings ? What are the functions of these components ?
The transport system is mainly comprised of following organs:
Heart: Heart is a pumping organ and pumps blood. As blood carries gases and food and waste product along with it so heart plays a major role in transportation.
Lungs: The main job of lungs is in facilitating transport of oxygen and carbon dioxide to and from the body respectively.
Liver: Digested and absobrable food goes to liver after it is absorbed by small intestine. From liver the food is distributed to different parts of body. This system is also called as hepatic portal system