Products approved by the fda are completely without risk

This statement is false, the testing and regulation framework provided by the FDA certainly helps to insure the products approved are reasonably safe. However, even normally safe drugs if taken without careful adherence to the manufacturer's instruction may be dangerous.

Thats a weird question but ill answer it i think 5.

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