Answer:
D. by taking in oxygen and cleaning out waste gases like carbon dioxide.
Explanation:
The respiratory system cleans out your carbon dioxide and replaces it with oxygen.
Cells regulate uptake nutrients and messenger cargos hope this answered the question
Because their TEETH ARE MISALIGNED AND THEY USUALLY POSSESS LONG TONGUE. Respiratory illness is common in people who have down syndrome and their unique airway anatomical factors makes airway management difficult during respiratory distress. For instance, they have narrower upper airway and smaller trachea.
Not sure if I'm correct but my best guess is the cell membrane seeing as it surrounds the cell itself and is responsible for allowing certain molecules to diffuse in or out of the cell. Good Luck! :)
According to the punnet square, if you combine a parental homogeneous dominant trait and a heterogeneous trait. 1 out of the 4 boxes will be homogeneously recessive.
