Pink
The color of frog's lungs are a purplish brown.
AIR
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when air moves out of the lungs, the air pressure decreases
When pressure inside the lungs is lower than outside, air flows into the lungs to equalize the pressure. This is known as inhalation, where the diaphragm contracts and the rib cage expands to create more space for air to enter the lungs.
No, there is still some air left inside the lungs.
the oxygen goes to the air sacs inside of the lungs.
Black
reddish brown
The color inside text or an object is called its fill color.
It enters through the capillaries of the lungs.
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