Question

In a living organism, what is an organ?

A.
the shell or skin of an organism
B.
a group of similar cells that perform a common function
C.
functional unit, or building block, of all organisms; smallest unit that can carry on the activities of life
D.
a structure composed of a number of tissues that work together to perform a specific task
Thank you by the way!!

Answer 1

D a structure composed of a number of tissues that work together to perform a specific task

i'm not pretty sure about my answer.. so im sorry if it's wrong

Answer 2

D......................