THE LUNGS.Online version READ AND ANSWER. by Javiera Panes 1 HOW MANY LUNGS DO WE HAVE IN OUR BODY? a A) 3 b B) 5 c C) 2 2 WHY DO WE NEED OUR LUNGS? a A) TO BREATHE b B) TO THINK c C) TO SOLVE 3 COMPLETE: WE BREATHE IN ... a A) CARBON DIOXIDE b B) OXYGEN c C) WATER 4 COMPLETE: WE EXHALE... a A) CARBON DIOXIDE b B) WATER c C) OXYGEN 5 COMPLETE: THE ... ARE IN CHARGE OF PROTECTING THE LUNGS. a A) CHEST b B) SKULL c C) RIBS