Indiana Science HS-AP8-3
The Standard
Investigate the primary structures of the cardiovascular system and explore their functional importance to maintaining homeostasis.
Indiana Academic Standards for Science (2023) · Transport, Blood and the Cardiovascular System
Teacher's field guide
What This Standard Means
What Students Need to Do
- Trace blood through the heart, lungs, and body. Explain what the chambers, valves, blood, and different blood vessels do to deliver oxygen and nutrients and remove wastes.
What Mastery Looks Like
- A student can draw both blood flow loops with arrows and put the heart chambers and vessel types in the right order. They can explain where oxygen enters and leaves the blood and what happens when a valve leaks.
Common Misconceptions
- Students may think arteries always carry oxygen-rich blood, so they mislabel the pulmonary artery. They may also think blood moves directly between the two sides of the heart or miss that materials pass between blood and tissues at capillaries.
How to Assess It
- Give students a blank heart, lung, and leg diagram. Ask them to draw a blood cell’s route from the right atrium to the leg and back, label the chambers and vessel types, and mark where oxygen enters and leaves the blood.
Lesson moves
Ways to Teach It
Use red and blue string on a paper heart, lungs, and body outline to trace both blood flow loops.
Ask: If the valve between the left atrium and left ventricle leaks, where does blood go, and how might muscles be affected?
Give pairs chamber, vessel, and lung cards; have them arrange the blood flow route from the right atrium through the body and back.
Have students count their pulse before and after 30 seconds of marching in place, then explain why working muscles need more blood flow.
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Printable HS-AP8-3 Worksheet
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Related Standards
- HS-AP10-1
Identify and locate major and accessory organs of the digestive system and investigate their physiological functions.
- HS-AP2-1
Analyze the structural characteristics and functional importance of the integumentary system to maintain homeostasis of the body.
- HS-AP8-7
Design an experiment to illustrate how the cardiovascular system maintains homeostasis.
- HS-AP8-1
Perform an investigation to identify the composition and function of whole blood components, and the role they play in maintaining homeostasis.
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