消化与酶
Digestion & Enzymes
描述人体消化系统的器官，以及食物如何被物理消化和化学消化，包括酶作为生物催化剂的作用。
Describe the organs of the human digestive system and how food is physically and chemically digested, including the role of enzymes as biological catalysts
学习证据 / Evidence
- 能够描述食物从口腔到大肠的旅程，说出每个器官及其作用
- 能解释酶的作用，并说出酶在哪里产生（唾液腺、胃、小肠）
- 能区分物理消化（咀嚼、搅动）和化学消化
- Traces the journey of food from mouth to large intestine, naming each organ and its role
- Explains what enzymes do and names where they are produced (salivary glands, stomach, small intestine)
- Distinguishes physical digestion (chewing, churning) from chemical digestion
评估问题 / Assessment
如果{{name}}和你一起吃了一顿饭，{{name}}能不能一步一步地描述食物在体内的变化，说出食物经过的器官以及每个器官的作用？
If {{name}} ate a meal with you, could they describe what happens to the food step by step as it travels through the body — naming the organs it passes through and what each one does?