ALOT of your stuff spiritual sometime mixes whit science and reality!
Its true that the heart works whit the brain. Its an automatic we dont think heart beat but its does by a lower region of the brain like a mamal reflex! Like when your in near death situation your stress and become in survival mode! for a few seconds your faster stronger all becose of the adrelanine and the heart pumping it all over the body the fastest he can! do feast some take years to master! ho and by the way egyptians pick the brain from trew is nose to prevent its body to putrefy. they do it on every organs.But they do keep it.when anger take us we go in that combat state and since were trying to get rid of it we start the rampadge! overal not bad but for every movie check the data very closly or explain the spiritual or visual meaning.