Science Worksheets and Study Guides Eighth Grade. Respiration and excretion

The resources above correspond to the standards listed below:

Delaware Standards

DE.6. Life Processes
6.1. Structure/Function Relationship
Enduring Understanding: Living systems, from the organismic to the cellular level, demonstrate the complementary nature of structure and function.
6.1.F. The human body has systems that perform functions necessary for life. Major systems of the human body include the digestive, respiratory, reproductive, and circulatory systems. (Level: Essential)
6.3. Regulation and Behavior
Enduring Understanding: Organisms respond to internal and external cues, which allow them to survive.
6.3.A. Regulation of an organism's internal environment involves sensing external changes in the environment and responding physiologically to keep conditions within the range required for survival (e.g., increasing heart rate with exertion). (Level: Compact)