That's the brain. It runs everything else.
Brain
The thing you have in your head instead of a brain
when you are excersizing
Get a life! DOn't you have a brain? o.o
sleeping
yes
For some people, you should set out your homework from hardest to easiest because the hardest work takes time to do and the easy work will be finished faster.
The question is not clear. Hardest, as in the most rigid, is a triangular prism (or tetrahedron). Hardest, to work the geometry of, is probably an irregular blob.
To work harder than your hardest involves you pushing yourself to the limit, working harder than you ever have before.
SWIMMING
Large southern cotton and tobacco plantations were considered to be the hardest for a slave to work. These plantations were tough to farm and required work at all hours of the day and night.