The system that includes the protective barrier that helps protect the body from the environment.

The system that is responsible for gas exchange in the lungs, oxygen is brought in and carbon dioxide is released.

The system that transports oxygen, waste materials, and nutrients around the body.

Things that can make you sick: bacteria, viruses, fugus, and parasites

The system that breaks down food into nutrients that the body can absorb.

The system supports the body and protects the vital organs. Without the system our bodies would be like beanbags.

Together these 2 systems help a person move.

Included the brain, nerves and spinal cord

What 2 systems supply the body with oxygen?

Which system sends electrical messages that help the body respond to internal and external changes

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