WebThe circulatory system varies from simple systems in invertebrates to more complex systems in vertebrates. The simplest animals, such as the sponges (Porifera) and rotifers (Rotifera), do not need a circulatory system because diffusion allows adequate exchange of water, nutrients, and waste, as well as dissolved gases, as shown in … WebMay 20, 2014 · Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how? Edmond Hui investigates how it all works by taking a closer …

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WebYour heart and blood vessels make up the circulatory system. The main function of the circulatory system is to provide oxygen, nutrients and hormones to muscles, tissues and organs throughout your body. Another part of the circulatory system is to remove waste from cells and organs so your body can dispose of it. WebApr 13, 2024 · View full lesson: http://ed.ted.com/lessons/oxygen-s-surprisingly-complex-journey-through-your-body-enda-butlerOxygen forms about 21% of the air around us. I... bankole banjo

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WebJul 23, 2015 · The pipes of the circulatory system are nothing without their pump. In this previous TED-Ed Lesson, Edmond Hui outlines how the heart pumps blood. Watch it and … WebLearn the basics about the parts and functions of the circulatory system. Materials: "Complete Cardio" handout and pencil or pen Computer with Internet access Class Time: 30 minutes Activity: Make sure you know the basics about how the heart and circulatory system work by completing the "Complete Cardio" handout. WebThe circulatory system includes the heart, blood vessels, and blood. The cardiovascular system in all vertebrates, consists of the heart and blood vessels. The circulatory system is further divided into two major circuits … bankole meaning urban dictionary