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josiahespinosa
21.03.2020 •
Biology
In order to maintain a stable internal environment, the cells of all living organisms must be able to
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Ответ:
Choices:
A. extract energy from food.
B. get rid of waste
C. reproduce.
D. all of these
D
Study Island Answer
Ответ:
Valves
Explanation:
It is the tricuspid and mitral valves that are between the Atria and Ventricles.