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Explore the fascinating world of human biology, from the basic unit of cells to the intricate organization of organ systems. Learn about different tissues, organs, and how they work together to maintain homeostasis in the body. Discover the functions of muscle, nervous, and epithelial tissues, as well as the importance of connective tissues like bone. Gain insight into the skeletal and endocrine systems and their roles in the human body.
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Human Biology Organization
Cells to Organ Systems • Cells: Basic unit of structure and function • Tissues: Group of similar cells performing the same function • Organs: Group of tissues performing same function • Organ Systems: Group of Organs performing unified function
Kinds of Tissues • Muscle: contracts, enables movement • Nervous: conducts messages, controls and directs the body • Epithelial: forms outer layer of skin and inside layer of organs. • Connective: connects body tissues, provides support; bone, blood, lymph