Which are five main systems of human body?
I am not really sure where you would only get 5 systems. They are all equally as important in the successful functioning of the human body. I will attempt to describe each of them, and this will help you with your question. There are about 12 systems of the human body. Cardiovascular System — This system basically includes both the heart, and the vessels throughout the body. There are two types of circulation, systemic and pulmonic. The pulmonic one carries it around the upper half of the body, and the systemic system carries it through the lower extremities and the high parts of the body. Digestive System — This system is responsible for breaking down all of the macromolecules into simple components for the body to use. The 4 macromolecules includes proteins, carbohydrates, lipids and nucleic acids. The parts of the digestive system include the mouth, salivary ducts, esophagus, stomach, duodenum, small intestine, large intestine, rectum and anus. Endocrine System — this system incl
