1. Organism
2. An organ is a part of an organism that has a specific function and is self-contained. An organ system is a group of organs that work together in order to function.
3 and 4 depend on the organ system you are working on.
The answer is A. this is because he is giving his opinion that may be different from others' and it is rude to say that someone's idea is stupid.
When you feel a sexual desire for someone but are unable to do this at the moment
During glycogenesis our bodies store glucose as glycogen in the liver and muscles.