(Sarah of the Clue Crew points to a diagram of the heart on the monitor.)  Deoxygenated blood is carried back to the heart via the body's two largest veins, the superior & inferior this
[DOC] [TLE] Life Science Teacher's Edition (TE) - cK-12 [PAR] Feb 11, 2010 ... 15.1 Chapter 2: Introduction to Living Organisms .