Across
- 4. The _________________ system transports water and oxygen to all parts of the body and carries waste materials away from the different parts.
- 5. The _________________ system supports the body, gives the body shape and protect organs in the body.
Down
- 1. The _________________ system breaks down food into simple substances and absorbs them for use by the body.
- 2. The_________________ system helps to bring in oxygen into the body and removes carbon dioxide it.
- 3. The _________________ system works with the skeletal system to help muscles move.