Exam 4 Biology 7
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Questions and Answers

What is the relationship between gas pressure and volume?

  • They are unrelated
  • They have a direct relationship
  • As pressure increases, volume increases
  • They have an inverse relationship (correct)
  • Which step of respiration involves the use of O2 by mitochondria to make ATP?

  • Internal diffusion
  • Cellular respiration (correct)
  • Ventilation
  • External diffusion
  • What happens to volume and pressure during expiration?

  • Volume and pressure both decrease
  • Volume decreases and pressure increases (correct)
  • Volume and pressure both increase
  • Volume increases and pressure decreases
  • Which muscles are involved in ventilation and what is their function?

    <p>Diaphragm - changes lung volume</p> Signup and view all the answers

    What causes air flow in and out of the lungs?

    <p>Pressure changes produced by volume changes</p> Signup and view all the answers

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