That's the 'alimentary canal' ... the whole path that food takes
between your body's intake and waste output.
Answer:
for an example you could have walked to improve your cardio
Explanation:
going on dayily morning runs can improve your cardio and give you a stronger heartbeat. a stronger heartbeat May prevent you from certain diseases .
O air-filled cavities that secrete mucus to keep the nose moist and remove bacteria.
Then I became a princess overnight :)))
