Body Systems A body system refers to a group of organs, which are parts of the body that do a special job, such as the heart, lungs and kidneys. Ten major body systems in the human body: 1) the skeletal system, which includes the bones and the (1) ______ (1) ______ tissues. 2) the muscle system, which plays the role of moving the body, pushing the food through the body and making the blood (2) ______ (2) ______ 3) the nervous system which is made up of the brain, the spinal (3) ______and the nerves. (3) ______ 4) the (4) ______system which comprises of the stomach and the (4) ______ intestines and (5) ______food to provide energy for the body. (5) ______ 5) the respiratory system which consists of the windpipe and (6) ______and takes air into the body. (6) ______ 6) the circulatory system which includes the blood, the heart, and all the blood (7) ______ (7) ______ 7) the (8) ______system made up of the kidneys and bladder. (8) ______ 8) the lymphatic system. 9) the endocrine system composed of special (9) ______which give (9) ______ out hormones. 10) the (10) ______system consisting of organs involved in making (10) ______ new human beings.