body systems

Groups of specialized cells form tissues. Different tissues form organs. Groups of tissues working together to do a job form body parts are called organs. They have their own jobs to do Ear, heart, brain, eyes and tongue. An ear organ is made for hearing and balance. Brain monitors the whole body. Heart controls the circulatory system of the body and pumps the blood into the whole parts of the body. Eyes are sensitive to light and do the function of seeing different things in the world. So, different organs of the body perform different functions.