Correct me if I'm wrong but there is not one reasonable purpose to life because no matter what, all that hard work that you put in your life is all taken away in the end. You go through pain and joy and that's all. There will never be a good enough purpose to life

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

Answer the lack of variation in activity can lead to boredom and eventually cause exercise to stop;

Answeradults have more control over their lives;