Mytal has been diagnosed with unipolar depression. Most days, he cannot even get out of bed. On the days that he does manage to leave the house and go to work, he rarely succeeds in completing his assigned projects. Mytal's symptoms illustrate the symptoms associated with unipolar depression.

Ithink our serving sizes are larger. 

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