Mississippi Science HAP.10.1
The Standard
- HAP.10
- Students will investigate the structures and functions of the cardiovascular system, including the cause and effect of diseases and disorders.
Design and use models to investigate the functions of the organs of the cardiovascular system.
2026 Mississippi College- and Career-Readiness Standards for Science · Cardiovascular System
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students design and use a model to show how the heart moves blood through vessels to the lungs and body. They show where blood exchanges materials with tissues.
What Mastery Looks Like
- A student traces blood from the heart to the lungs and body, then back to the heart. They explain that arteries carry blood away, veins return it, and capillaries allow exchange. They use their model to predict where a blockage would reduce flow and name one limit of the model.
Common Misconceptions
- Students may think arteries always carry oxygen-rich blood and veins always carry oxygen-poor blood. They may think the heart adds oxygen to blood, rather than the lungs. Some think blood enters body cells instead of staying inside capillaries.
How to Assess It
- On an exit ticket, sketch a heart, lungs, and leg muscle connected by vessels, with arrows showing blood flow. Label what the heart, arteries, veins, and capillaries do, then name one thing your sketch leaves out.
Lesson moves
Ways to Teach It
Give pairs a bulb syringe, clear tubing, and binder clips to build a heart-vessel model and test what happens when a tube is pinched.
Ask, 'Why is the pulmonary artery still an artery if it carries oxygen-poor blood?' Have students defend their answers using their models.
Hand out heart, lung, body, artery, vein, and capillary cards; teams arrange them and move a bead along the blood's route.
Have students take their pulse before and after 30 seconds of marching in place, then use their models to explain the change.
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Printable HAP.10.1 Worksheet
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- HAP.10
Students will investigate the structures and functions of the cardiovascular system, including the cause and effect of diseases and disorders.
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