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Human physiology mark scheme

I Mucosa II Smooth muscle III Villi A I only B 1 and II only C I and III only D I, II and III I Tobacco smoke II Radon gas III UV light IV Asbestos dust A I only B I and II and IV only C I and III only D All of them I Medulla oblongata II Adrenaline (epinephrine) III Baroreceptors IV AV node A I only B 1 and II and III only C I and III only D All of them Type 1 pneumocytes Type II pneumocytes A Secrete surfactant...

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