胃：关键的消化器官，通过酸和酶将食物分解为可用的营养物质，以支持身体的营养需求。
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胃：关键的消化器官，通过酸和酶将食物分解为可用的营养物质，以支持身体的营养需求。
胃：关键的消化器官，通过酸和酶将食物分解为可用的营养物质，以支持身体的营养需求。胃是人体重要的消化器官，呈中空状。它利用胃酸、胃液（包含胃蛋白酶等）将食物分解，使蛋白质等营养成分得以吸收，为身体的新陈代谢和能量供应提供支持。胃的内壁有黏膜，肌肉层和括约肌协同工作。胆汁和脂肪酶等也参与消化过程，胃的健康对于整个肠道系统至关重要。
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