Science Worksheets and Study Guides Fourth Grade. Organ systems

The resources above correspond to the standards listed below:

Minnesota Academic Standards

MN.4.4. Life Science
4.4.4. Human Interactions with Living Systems
4.4.4.2. The student will understand that microorganisms can get inside one's body and they may keep it from working properly.
4.4.4.2.1. Recognize that the body has defense systems against germs, including tears, saliva, skin and blood.