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Anvisha [2.4K]
2 years ago
15

The picture shows a group of muscle cells in the heart. All of these muscle cells beat in unison to push blood in timing with th

e rhythm of the heart, at the direction of nearby nerve cells.
These muscle cells could best be called a
A) organ.
B) tissue.
C) macromolecule.
D) organ system.

Biology
2 answers:
AleksandrR [38]2 years ago
6 0
A group of cells performing similar function is called a tissue
stich3 [128]2 years ago
4 0
The correct answer is B.<span />
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