•Circulatory- monitors the continuous flow of blood transport around the system, providing the body with its natural needs. Usually consists of the Brain, the heart and the artery and veins
•Respiratory- in charge of your respiration or intake of oxygen, which you will excrete through carbon dioxide through exhaling. Consists of the lungs, nose, mouth, and the windpipe.
•Digestive- helps break down the food you take in and absorbs the nutrients and water your body needs to perform daily activities. Consists of Mouth, optionally teeth and tongue, gullet, stomachs, small intestine, large intestine and anus.
•urinary- monitors the water intake and is known for excreting the liquid waste through urine.
•skeletal- gives the shape of the body and protects vital organs like the heart, lungs and brain.
*the muscles is not considered a system nor an organ, and is therefore classified as a tissue