How long does it take for midol last in your system?

Midol did not relieve cramps, back pain, or fatigue. I took midol for the first time today, and two and a half hours later I am still waiting for it to work. I feel something, but not quite what I expected. After 30 minutes after taking the recommended dose with water, I felt shaky and am not able to concentrate.

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