Write a set of directions for a red blood cell to deliver oxygen to the brain. Include all the words in the word bank. Lungs, heart, brain, aorta, arteries, and veins Must be 6 sentences using the words I don't think it's in order though.

Answerstudying coal cumbustion as an energy source;

The internal energy of the system we can term it as total potential energy and kinetic energy. energy flows out of the surrounding from the system then we can say that the internal energy of the final state is lower than its initials. the sign of  δesystem is negative.δesystem = efinal - einitial=-ve  efinal  ∠einitial.