ATI TEAS 6 - Science (Human Anatomy and Physiology)

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Hierarchy of Structures Lowest Hierarchy level is at Organelles within a cell. They obtain energy from food and reproduction. -Cells with the same function are collected into larger groups called T... issues. -Tissues are collected into Organs, carry out single task, like oxygenated blood (lungs), or filter out waste (kidneys). -Organs work together in systems that perform coordinated large-scale functions, like nourishing the body (digestive) or protecting the body from attacks (immune). Cell Parts Organelles: Cell parts that function within a cell. They coordinate with other organelles to performs a cell's basic function, like energy processing and waste excretion. ~Examples: Ribosomes, Golgi Apparatus, Mitochondria, The Nucleus. [Show More]

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