A vital liquid flowing in the bodies of many types of
animals that usually conveys nutrients and oxygen.
In vertebrates, it is colored red by hemoglobin, is conveyed by arteries and veins, is pumped by the
heart and is usually generated in bone marrow.
A
family relationship due to birth, such as that between siblings; contrasted with
relationships due to
marriage or adoption.
(See Blood relative, Blood relation, by blood.)
(medicine, countable) A Blood test or Blood sample.