If we didn't have all of the different systems in the body we would all be very sick one because some of the systems protect erms rom infecting the body and two because systems like the Digestive system that helpsus go potty and if we didn't go then the food would jus sit and rot which woud make us through up with somthing like a sour stomach. (no milk plaese)
The Circulatory system helps the blood flow the body and if we didn't have that then the blood would just stay in one place and I think that woud kill us because we meed the blood to be moving.
Now for my favorite system is the Respitory system. It's job it to take out carben dioxid and give us oxygen o that system helps the earth by giveing plants carben dioxide.
The ody is very intresting I can'twait to tell you more.
How Do You Vote
13 years ago
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