The human heart is an organ that is made up of cells. Not all of the cells that make up the heart are identical, however. What n
ame is given to a group of similar cells that perform a special function and together make up an organ?
A) embryo
B) organelle
C) system
D) tissue
2 answers:
D tissue, A group of atoms create a molecule, a group of molecules creates cells, cells create tissues, and so on.
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C. crossing over This is because each gene have a piece of each other Hope this helped=)
B) the decay of once-living things
Hope this helps have a great day!
Answer:
Ion i think
Explanation:
I think ion's contain more negative energy from electrons and since it's -18 and 9+ it would be -9 if u add them up
main engines of creation of the proteins on which the body depends.
