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External and Internal Respiration in the Lungs: Definition & Process

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which of the following is true of the partial pressure of a gas in a mixture?

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1. Which of the following best describes external respiration?

2. What is the partial pressure of oxygen in the alveolar air and oxygen rich blood leaving the lungs?

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About This Quiz & Worksheet

Respiration is the process by which oxygen and carbon dioxide move into and out of the blood. This assessment and worksheet pairing will test your understanding of the biological terms surrounding the word. Some vocabulary you will be tested on includes external respiration and partial pressure of oxygen.

Quiz & Worksheet Goals

In this quiz, you will be tested on your knowledge of:

  • Partial pressure of a gas in a mixture
  • External respiration
  • Partial pressure of oxygen in the alveolar air and oxygen rich blood leaving the lungs
  • Blood leaving the metabolizing tissues and returning to the lungs

Skills practiced

  • Problem solving - use acquired knowledge to solve equations for partial pressure of gases during external respiration and internal respiration to determine rate of diffusion
  • Interpreting information - verify that you can read information regarding gas exchange that occurs by diffusion and interpret it correctly
  • Defining key concepts - ensure that you can accurately define main phrases, such as external respiration and internal respiration
  • Distinguishing differences - compare and contrast topics from the lesson, such as external respiration in the lungs and internal respiration in the metabolizing tissues

Additional Learning

To learn more about respiration, review the accompanying lesson titled External and Internal Respiration in the Lungs: Definition & Process. The lesson covers the following objectives:

  • Define external respiration, internal respiration, and diffusion
  • Understand the equation for factoring the partial pressure of a gas
  • Complete various equations to identify the partial pressure of gases during external respiration and internal respiration
  • Differentiate between the locations within the body where blood is oxygen poor and oxygen rich
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