Study questions.

Study questions. Exchange of Oxygen and Carbon Dioxide in the Lungs takes place between the A. Cells and capillaries B. Alveoli and cells C. Alveoli and capillaries 11. Changes in shape and size of the chest cavity is the function of the: A. Respiratory muscles C. Intercostal muscles only B. Lungs D. Diaphragm only 12. During inspiration (breathing in) the diaphragm: A. Contracts and expands D. Relaxes and Flattens B. Contacts and Flattens C. Stays the same 13. During inspiration (breathing in) the chest cavity becomes: A. Shorter from top to bottom B. Longer from top to bottom C. Stays the same 14. As air pressure in the chest cavity and lungs increases: A. Air is pushed out of the lungs B. Air rushes into the lungs 15. When air pressure is greater outside the chest cavity than inside, air: A. Is pushed out B. is pushed in 17. Increased activity/exercise A. Increases heart rate B. Increases respiration C. Increases production of carbon dioxide D. All of the above 18. Breathing patterns may influenced by: A. Exercise/Activity C. Both A & B B. Emotions D. Neither A or B