6) The human heart is a/n
a. cell b. organism _ c. organ
7) The group of organs that...
Biology, 09.09.2021 09:30 AnhQNguyen6764
6) The human heart is a/n
a. cell b. organism _ c. organ
7) The group of organs that work together is called
a. organ system b. roots hair system C. sense organs
8) What is being produced when muscle contracts?
a. Movement b. New organ c. Nothing β
Answers: 1
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