Answer:
muscles of the veins and arteries, abdominal muscles and liver gravity.
Explanation:
Condoms
vaccines
controlled rooms of sick/affected people
I believe that it relates to or involves free oxygen, if it is used in exercise- aerobic practices help improve the the efficiency of the body's cardiovascular system with absorbing and transporting oxygen.
Hope this helps
False it is false since pollution isn't only in the city
Answer:
<u><em>Digestion</em></u>
Explanation:
Hope this helps:)