what is the man orngan systems …

There are 11 major organ systems in the human body, which include the circulatory, respiratory, digestive, excretory, nervous and endocrine systems. The immune, integumentary, skeletal, muscle and reproductive systems are also part of the human body.
 The circulatory system is responsible for transporting blood throughout the body.
The respiratory system allows air to enter the lungs and for oxygen to diffuse into the blood en route to the body's tissues.
The digestive system is responsible for bringing food into the body and breaking it down to useable components.
The urinary or excretory system is where liquid waste is eliminated as urine.
The central nervous system consists of the brain and the spinal cord, which serve as the main control centers for the body and process all incoming and outgoing messages.