The Movement of Both Oxygen and Carbon Dioxide in the Body

Q25: Respond to the following statements with reference

Q53: Food and drink are prevented from entering

Q55: Tobacco smoke _.<br>A)exposes the smoker to less

Q56: Respiratory surfaces must be _ and _.<br>A)flexible;

Q57: Choking involves blockage of the _.<br>A)larynx<br>B)pharynx<br>C)nasal passage<br>D)bronchiole<br>E)alveoli

Q58: Four of the five answers are correct

Q59: The partial pressure of carbon dioxide is

Q60: Match the structure with the correct description.<br>-gas

Q61: Match the structure with the correct description.<br>-spent

Q63: The levels of _ in the blood