The Circulatory System is the system that makes all of the blood flow evenly through your body.
The Respiratory System is what helps us breathe and get rid of all the waste our body inhales through the day.
The Digestive System makes nutrients by breaking down food and gets ride of solid waste. If we did not have this system we would not be able to carry on with everyday activities.
Integumentary system is the skin and protects body from harmful substances. If we did not have this our body would be exposed.
The Excretory system gets rid of waste. If we did not have this system our body would be full of waste.
The Nervous System sends messages and receives messages to and from the brain. If we did not have this system we would not be able to move and couldn't think.
The Urinary System gets rid of dissolved waste and filters blood. If we didn't have this system we would have bad blood.
The Skeletal System is the structure of the body and keeps everything in place. if we didn't have this system we would have nothing to help us be supported.
The Muscular System supports the cardiac movement. If we didn't have this system we couldn't life or move anything.
The Endocrine System:
The Endocrine System releases hormones into the body. If we didnt have this system we wouldn't be alive.
The Immune System:
The Immune system is what protects bacteria. If we didn't have this system we would be sick all the time.