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模拟生物体维持pH的稳定

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🧪 模拟生物体维持pH的稳定

人教版高中生物选择性必修1 · 内环境的稳态

🧫 选择实验材料（可多选）

📊 实验数据记录

盐酸实验

次数	滴数	体积(mL)

📈 pH变化曲线

当前状态:准备开始

已加滴数:0 / 30 滴

累计体积:0.00 mL

🔬 实验原理

生物体内含有多种缓冲对（如 H₂CO₃/NaHCO₃），能抵抗少量酸碱影响：

酸缓冲：H⁺ + HCO₃⁻ ⇌ H₂CO₃ ⇌ CO₂ + H₂O

碱缓冲：OH⁻ + H₂CO₃ ⇌ HCO₃⁻ + H₂O

血浆缓冲：主要靠碳酸氢盐系统
细胞缓冲：主要靠磷酸盐和蛋白质

💡 实验结论

请开始实验以查看具体结论...

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