lindseylewis313
25.10.2019 •
Biology
Heart problems often cause trouble breathing. which best explains this?
explain why you chooses your answer
a the heart provides the lungs with oxygen.
b the lungs use the circulation caused by the heart
c the lungs are the organs that bring carbon-dioxide into the body
d white blood cells are produced by the lungs
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Ответ:
The lungs use the circulation caused by the heart.
Ответ:
umm... last time i checked the first battery was made of zinc and copper and when you look it up thats what it says Alessandro Volta (the inventor of batteries) made them out of so uhh... idk but i would pick b srry:(