Sara was given an assignment to prove that there are different levels of complexity in the human body. Her teacher told her to go from least complex to most complex.
What is the order in which she should use to prove this

What is sail i could u out

Bmust be the answer, as technically all organs move, so a is incorrect. all organs are made of different types of cells, so that isn’t a problem, so c is also incorrect. human hearts are very similar to many other animals’ hearts, so d is also incorrect, yet the heart is made of muscle, which is hard to grow in the lab so it would be correct to say b

A. i may be wrong i really don’t know