Mississippi Science L.4.1.1
The Standard
- L.4.1
- Students will demonstrate an understanding of the organization, functions, and interconnections of the major human body systems.
Use technology or other resources to research and discover general system function (e.g., machines, water cycle) as they relate to human organ systems and identify organs that work together to create organ systems.
2026 Mississippi College- and Career-Readiness Standards for Science · Hierarchical Organization
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students use a diagram or short video to find out how parts of a system work together. They identify organs in a human body system and explain how each helps the system do its job.
What Mastery Looks Like
- A student can name the heart and blood vessels as parts of the circulatory system. They can explain that the heart pushes blood through the vessels, much like a pump moves water through hoses.
Common Misconceptions
- Students may think the heart works alone or that blood only moves away from it. They may also think a pump and hose work exactly like the body, rather than serving as a simple model.
How to Assess It
- Exit ticket: Draw a heart and blood vessels. Label each part's job, then write one way this system is like a pump and hose.
Lesson moves
Ways to Teach It
Push colored water through clear tubing with a squeeze bulb, then match the bulb and tubing to the heart and blood vessels.
Show a heart diagram and ask, "What would happen to blood flow if the vessels were missing?"
Give pairs organ cards and have them sort the cards into body systems, then explain one pair's jobs.
Have students look up a garden pump diagram and compare its pump and hose with the heart and blood vessels.
Keep exploring
Related Standards
- L.4.1.2
Obtain and communicate data to describe patterns that indicate the nature of relationships between human organ systems, which interact with one another to contr...
- L.4.1.3
Construct models of organ systems (e.g., circulatory, digestive, respiratory, muscular, skeletal, nervous) to demonstrate both the unique function of the system...
- HAP.10.1
Design and use models to investigate the functions of the organs of the cardiovascular system.
- HAP.1.3
Investigate the interdependence of the various body systems to each other and to the body as a whole.
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