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ZingPath: Circulation

Blood Circulation

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Circulation

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Lesson Focus

Blood Circulation

Life Science

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You will get to check out how large multicellular creatures depend on circulation to deliver water and nutrients to the cells of their bodies. Observe the way that the heart and blood vessels of humans accomplish this task, and find out how plants do it too.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Find a general equation of a line when given two points on the line.
  • Find a general equation of a line by using the intercept form of a line equation.
  • Find a general equation of a vertical line when given its x-intercept.
  • Find a general equation of a horizontal line when given its y-intercept.

Everything You'll Have Covered

What are the two forms of blood circulation in the body, and how do they differ?

~ The two forms of blood circulation in the body are pulmonary and systemic circulation. During pulmonary circulation, blood that has already been circulated through the body is returned to the heart and then pumped to the lungs to be cleaned and oxygenated before being returned to the heart once again. In systemic circulation, the freshly oxygenated blood sent from the lungs is pumped out of the heart and throughout the rest of the body.

How do the lungs "clean" the blood?

~ When blood is pumped to the lungs, carbon dioxide is removed and exhaled. The blood is then oxygenated with the oxygen that is inhaled.

What happens to blood after it leaves the heart and is transported through the body?

~ As the blood travels through the body, it exchanges its oxygen for carbon dioxide. Once this exchange occurs, the blood travels back to the heart and enters the right atrium to undergo pulmonary circulation.

Blood that is "cleaned" after passing through the lungs is called __________.

~ Oxygenated.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should be able to define the following terms: arteries, blood vessels, capillaries, circulation, lung, veins, and vessels.
Course Life Science
Type of Tutorial Animation
Key Vocabulary arteries, blood vessels, capillaries, circulation, lung, veins, vessels