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The "windpipe" is the
Where is the dome-shaped diaphragm?
above the lungs
below the lungs
What is letter A in this diagram?
Letter D in this diagram is
The two tubes that the trachea splits into (letter E) are known as the ______.
small tubes inside the lungs
two branches of tubes above the lungs
small bags inside. the lungs
the large muscle below the lungs
Air enters the respiratory system through the nose or mouth. It next enters the
Air enters the trachea and then enters the
When inhaling, air moves from the bronchi into the tubes known as the
diaphragm at the bottom of the lungs
bronchioles inside the lungs
trachea above the lungs
alveoli inside the lungs
Gas exchange is needed to supply _____________ to cells and remove __________________ from cells. Hint: look under ALVEOLI in your notes.
carbon dioxide; oxygen
oxygen; carbon dioxide
carbon dioxide; water
__________ are air sacs where gas exchange takes place.
The yellow structures on the right side of this picture represent ________.
Carbon dioxide gas has the chemical formula
Oxygen gas has the chemical formula
Carbon dioxide gas has the chemical formula ___ and oxygen gas has the chemical formula ______.
Which of these are branched tubes found inside the lungs?
Match the following