Why is it that when I get close to people I know I'm not gonna see for awhile, who also are close to me from their pov, when I give them my contact info they don"t send anything or talk to me. Like I just don't get it smh..

Both sexes because it is always romantic

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

What are the choices?