The average person's heart beats about three billion times during their lifetime. In this circulatory system video, learners briefly see the difference between an open and closed circulatory system. The rest of the video focuses on the circulatory system found in animals, from two-, three-, and four-chambered hearts to the movement of blood throughout the system and its components. 

Concepts

the circulatory system, heart anatomy, blood flow, oxygen, carbon dioxide, circulation, blood vessels

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Additional Tags

science

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Instructional Ideas

• Pause video at 5:45 to have learners test their knowledge of blood flow through the heart
• Preview video and include other places to pause it for class discussion or discussion in pairs
• Video best fits at the beginning of lesson on the circulatory system

Classroom Considerations

• Give each scholar an image of the body for them to label the parts and the flow of blood through the circulatory system
• This is the first video in a series of 21 related human body videos 

Pros

• Includes high-quality photos and graphics that help engage viewers
• Includes closed captioning for those with hearing disabilities or English language barriers

Cons

• None

Common Core

RST.11-12.4