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.

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.