Nucleus
1. the positively charged dense center of an atom
2. a nucleus is usually a part of the human body but it is also used in science
3. Picture

Cititation of picture http://spectorlab.cshl.edu/images/NucleusModel.jpg
5. basically like if like a nucleus is bad it dies and if not it wont
6. I can remember the word by thinking about the health nucleus and animal nucleus
7. Voki

Get a Voki now!