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PHY 114 Study Guides - Lectures 10, 11, and 12 If this item does not open automatically you can open PHY 114 Study Guides - Lectures 10, 11, and 12 he 5. A person with 6000 milliliters of air in their lungs exhales sharply, pushing Z milliliters of air out of the lungs. If the air pressure in the lungs stays the same, about how many percent smaller must their chest cavity temporarily get in order for this breathing-out to take place?If this item does not open automatically you can open PHY 114 Study Guides - Lectures 10, 11, and 12 h 3. Watch the video "Smarter Every Day 208" at youtube.com/watch?v=y7Hyc3MRKno (Why Laminar Flow is AWESOME). Then write a 30-50 word paragraph describing one or two key concepts about fluid flow (laminar or turbulent) in general, and how in your mind you relate it to the flow of fluids such as blood or other substances in (or out of) the human body. 4. A person with heart disease is told one of their coronary arteries is partially blocked; Y percent of the regular blood flow is not getting through. Plaque deposits have reduced that artery's radius by how many percent? (You may find Section 12.4 and Example 12.7 in the OpenStax College Physics textbook helpful in answering this question.) Please show your calculations, and sketch a picture of the cross-section of this artery if it would be useful