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Vertebrate Circulatorium

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Screenshot of the interactive's main screen

Topic

  • Anatomy & Physiology
  • Cardiovascular System
  • Zoology

Resource Type

  • Interactive Media
  • Click & Learn

Level

High School — GeneralHigh School — AP/IBCollege
Saved By
32 Users
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Description

This interactive module explores the circulatory systems of major vertebrate groups to gain insights into their evolution.

Over millions of years of vertebrate evolution, the heart has changed dramatically from a relatively simple two-chambered heart in fish, to a three-chambered heart in amphibians and reptiles, and to a four-chambered heart in mammals and birds. This Click & Learn allows students to compare the circulatory systems of eight different vertebrates, including their heart structure and function.

Students can also visualize interesting adaptations such as the crocodile’s ability to change its circulatory pattern when diving underwater. The heart of a mammalian fetus shows a similar circulatory pattern.

Estimated Time

One to two 50-minute class periods.

Key Terms

atrium, blood, circulation, frog, gills, hagfish, heart, lungs, oxygen, ventricle

Terms of Use

The resource is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license. No rights are granted to use HHMI’s or BioInteractive’s names or logos independent from this Resource or in any derivative works.

Version History

Date Published 12.05.14
Date Updated 09.03.21

NGSS (2013)

HS-LS1.A 

AP Biology (2019)

EVO-1.N

IB Biology (2016)

6.2

Vision and Change (2009)

CC2

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