Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
Science (from Latin scientia, meaning "knowledge") is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe.
And he took the cup, and gave thanks, and gave it to them, saying, Drink ye all of it. For this is my blood of the new testament, which is shed for many for the remission of sins."
Attributed to Commodore Tattnall. See Eleventh Ed. of Encyclopedia Britannica in notice of Tattnall. Vincent S. Lean stated in Notes and Queries. Seventh S. XIII. 114, he had found the proverb in the British Museum copy of the 1797 Ed. of Allan Ramsay's. Collection, (First Ed,. 1737).