1. The Human Body By: Will Woodruff

2. The Respiratory System The respiratory system makes you breathe If you get lung cancer it could possibly hurt you or might kill you The Nose takes air in and it goes though the throat or trachea and then goes though to the bronchial tube then witch go to the lungs and then to the alvoi and then get exhaled. The lungs are made of spongy like tissue

3. The Skeletal System It protects the fragile tissue and your internal organs it protects the heart, lungs, stomach, and all the other internal organs The skull protects your brain and eyes The rib cage protects the lungs the heart and the stomach

4. The Circulatory system It take the oxygen that you breath and takes it to the veins and it is dropped off in the blood and it take it all around the body It consists of the veins, blood cells and the heart The veins are 60,000 miles long laid right next to each other

5. Muscular System Helps with the nervous system to make you move There are 300 muscles in your body Muscle tissue makes up 34-40 percent of your body It takes 26 muscles to smile and 62 to frown There are 43 working muscles at any time