- 1Organs in Each Body SystemMatch organs such as the heart, lungs, stomach, and brain to their body system.adaptive
- 2How Body Systems Work Together (Core)Describe how paired systems such as the respiratory and circulatory systems work together.adaptive
- 3How Body Systems Work Together (Extension)Explain how different body systems interact and depend on each other.adaptive
- 4Organs in Each Body SystemMatch organs to the body system they belong to.adaptive