Tissues that work together to perform the same function are called a. cells b. organ c. systems d. organs

They are called B.) Organs .

My reason being is because organs are your kidneys , lungs, and etc.
Cells are not tissue but they are what runs through your blood.

and Systems build up all of those , Organs are a group of things that work together to function a specific part .this is what works together to perform the same functions.

I really hope this helps you a lot :)

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