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How are the respiratory and cardiovascular systems closely integrated and how do they respond to...

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How are the respiratory and cardiovascular systems closely integrated and how do they respond to changes in our body?

Blood Gasses

The most important blood gasses in the body are oxygen and carbon dioxide, their functions are listed below:

  • Oxygen acts as the final electron acceptor within the electron transport chain. In this process, it is reduced to 2 water molecules using 4 hydrogen ions.
  • Carbon dioxide is a byproduct of macronutrient metabolism. The carbon dioxide must be expelled from the body so that chemical reactions can proceed spontaneously.

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The respiratory system and cardiovascular system must work very closely together to promote gas exchange and transport. The respiratory system...

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How are Nutrients Transported Around the Body?

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Chapter 11 / Lesson 9
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Nutrients are important elements that allow bodies to perform daily activities. The most important nutrients that bodies require to function are carbohydrates, fats, and proteins. Explore the steps and systems involved in the process of transporting nutrients throughout the body.


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