How do I shut my 14 year old sister up and get her from acting like a 6 year old

You should start treating her older than she is. She be excited that she is be treated like more of an adult. Also, sometimes, giving her attention is the best way to get her to stop.
It’s simple.
Just think about how she feels ! :)

What you should re write your question it doesn’t make sense

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