What is blood?

Blood

Blood is a specialized bodily fluid in animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.

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Famous quotes containing the word blood:

    “Slowly the poison the whole blood stream fills.
    It is not the effort nor the failure tires.
    The waste remains, the waste remains and kills.”
    —William Empson (1906–1984)

    “Oh, God! that bread should be so dear,
    And flesh and blood so cheap!”
    —Thomas Hood (1799–1845)

    “They shall take some of the blood and put it on the two doorposts and the lintel of the houses in which they eat it.”
    —Bible: Hebrew, Exodus 12:7.