Foods that contain mainly fat and/or sugar and have little or no nutritional value, such as ice cream and soda, are said to consist of

The correct answer is empty calories

They are empty because they are calories that you consume but that have no useful value for you and just make you more unhealthy. They are literally eating calories for the sake of eating calories and they aren't good for you.

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

Ithink the answer is b