I WONDER - How Do Our Veins Control Our Blood Flow?

I WONDER - How Do Our Veins Control Our Blood Flow?

Assessment

Interactive Video

Health Sciences, Biology

KG - 6th Grade

Hard

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The video explains the role of valves in veins, ensuring blood flows in one direction. Valves act like doors, opening to let blood through and closing to prevent backflow. If valves malfunction, the heart must work harder to circulate blood.

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1 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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