43,040 views
28 votes
28 votes
Question 7

In the human body, what are systems made of?
O A. A group of tissues
B. A group of reactions
C. A group of cells
D. A group of organs

User JXITC
by
2.8k points

1 Answer

16 votes
16 votes
d. a group of organs
User Hamon
by
2.8k points
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