mckenziemitchell123 mckenziemitchell123
  • 02-05-2019
  • Physics
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I need help with these question can u help plssss.

I need help with these question can u help plssss class=

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daltonw2003p09cl4 daltonw2003p09cl4
  • 02-05-2019

19. The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide.

20. nose, mouth, pharynx, larynx, trachea, bronchi, and lungs

21. Can't answer

22.Digestion is the breakdown of food into small molecules, which are then absorbed into the body.

23. mouth, esophagus, stomach, small intestine, large intestine

24. Don't Know

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