Beginning of Essay
Blood is essential to every human beings survival. It is a fluid circulating throughout the body that carries nutrients and oxygen to the tissues in exchange for life and if this was somehow lost then the life would also be lost. No matter what caused the loss ....

Middle of Essay
.... who has been injured in a valiant battle for his country. In the next passage, in which the sergeant says, "Which smok'd with bloody execution"(Act 1 Sc 2 line 18), he is referring to Macbeth's braveness in which his sword is covered in the hot blood of the enemy. Blood is used in these passages to identify honor and courage, it separates the good from the bad, and it also gives the reader a view of how the shedding of blood will be used often to identify certain characteristics. After these few references to honor, the symbol of blood changes to show a theme of treachery and treason. Lady Macbeth starts this off when she asks the spirits to ....