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Organ Structure and Function

Yapay zekadan makale özeti

Basic Concepts: Organ is a collection of tissues serving a common function in multicellular organisms
Organs lie between tissues and organ systems in life hierarchy
Human body contains approximately 79 organs, definition debated among scientists
Organ Systems: Most multicellular animals have multiple organ systems
Systems often share significant overlap, like nervous and endocrine systems
Main systems include cardiovascular, digestive, endocrine, excretory, and respiratory
Plant Organs: Plants have three main organs: vegetative and reproductive
Vegetative organs include roots, stems, and leaves
Reproductive organs vary by plant type, often called flowers or cones
Historical and Cultural Aspects: Organ concept dates back to twelfth century, originally referring to musical instruments
Aristotle viewed organs as tools for human function
Organ transplantation began in 20th century with improved medical knowledge
Organelles: Single-celled organisms have functional analogue called organelle
Plant organs consist of ground, vascular, and dermal tissue types