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Human Body Orientation
Principle of Complementarity
function always reflects structure
Levels of Structural Organization
Chemical, Cellular, Tissue, Organ, Organ System, Organismal
skin, sweat glands, oil glands, hair, and nails
bone, cartilage, and ligaments
muscles and tendons
brain, spinal column, and nerves
heart and blood vessels
bone marrow, thymus, spleen, lymph nodes, and lymphatic vessels
nasal cavity, pharynx, trachea, bronchi, and lungs
shut-off of output (to achieve homeostasis; some variable is out of balance and is brought back into balance)
out increased to reach a set point (blood clotting, childbirth)
homeostatic mechanism parts
receptor, control center, and effector