The second of a two-part course that investigates the structure and function of the human body. Emphasis is on the basic organization of the body, biochemical composition, cellular structure, function, tissues and organs of the following systems: cardiovascular, lymphatic, immune, respiratory, urinary, digestive, reproductive and human development. In lab, students will study the interrelationship between structure and function of the human body using models, histological preparations, and human and feline anatomical specimens. Students with credit for BIOL 241 cannot receive credit for BIOL 251. Prerequisites: BIOL 240.