To treat your sleep problem, you are told that you should not nap, you should set your alarm clock to wake up at the same time each day, and you should get out of bed if you cannot sleep. What sleep disorder have you been experiencing?

Try tylenol or see a professional

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