病原体与免疫系统
Pathogens & the Immune System
解释病原体（细菌、病毒和真菌）如何导致疾病，并描述免疫系统的应对方式，包括白细胞的作用（吞噬作用、产生抗体）以及免疫的概念。
Explain how pathogens (bacteria, viruses, and fungi) cause disease and describe how the immune system responds, including the roles of white blood cells (phagocytosis, antibody production) and the concept of immunity
学习证据 / Evidence
- 区分作为病原体的细菌、病毒和真菌，并能举例说明
- 解释白细胞清除病原体的两种方式（吞噬和产生抗体）
- 解释疫苗接种的工作原理以及为什么能预防疾病
- 解释被感染和生病的区别
- Distinguishes between bacteria, viruses, and fungi as pathogens with examples of each
- Explains two ways white blood cells destroy pathogens (engulfing and antibodies)
- Explains how vaccination works and why it prevents disease
- Explains the difference between being infected and being ill
评估问题 / Assessment
如果{{name}}感冒了，他们能解释是什么类型的病原体引起的、免疫系统如何努力抵抗它，以及为什么流感疫苗不能预防所有感冒吗？
If {{name}} got a cold, could they explain what type of pathogen caused it, how the immune system tries to fight it off, and why a vaccine for flu won't protect you from all colds?