Students will describe the structure and function of cells, tissues, organs, and organ systems.
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Explain that cells take in nutrients in order to grow and divide and to make needed materials.
Relate cell structures (cell membrane, nucleus, cytoplasm, chloroplasts, mitochondria) to basic cell functions.
Explain that cells are organized into tissues, tissues into organs, organs into systems, and systems into organisms.
Explain that tissues, organs, and organ systems serve the needs cells have for oxygen, food, and waste removal.
Explain the purpose of the major organ systems in the human body (i.e., digestion, respiration, reproduction, circulation, excretion, movement, control, and coordination, and for protection from disease).