fitness and health

4. a student in a naval academy
8. any object used in fighting or war, such as a gun, bomb, knife, etc.
9. the set of necessary tools, clothing, etc. for a particular purpose
11. something that you must do, or something you need
12. a type of exercise in which someone sits up from a lying position, designed to make the abdominal muscles stronger

1. a physical exercise performed by lying with your face down and using only your arms to raise and lower your body
2. the projectiles with their fuses, propelling charges, or primers fired from guns
3. to do an action or piece of work
5. the ability to withstand hardship or adversity
6. to evaluate the worth, significance, or status of
7. the quality or state of being strong
10. an exercise in which one hangs by the hands from a support (such as a horizontal bar) and pulls oneself up