| File | Title | Manuscript Id |
|---|---|---|
| Circulation | pol2e_ch32_1.html | 553e8d88757a2ee120000000 |
| DLAP questions | pol2e_ch32_1_dlap.xml | 553e8d88757a2ee120000000 |
| Concept 32.1: Circulatory Systems Can Be Closed or Open | pol2e_ch32_2.html | 553e8d88757a2ee120000000 |
| DLAP questions | pol2e_ch32_2_dlap.xml | 553e8d88757a2ee120000000 |
| Concept 32.2: The Breathing Organs and Systemic Tissues Are Usually, but Not Always, in Series | pol2e_ch32_3.html | 553e8d88757a2ee120000000 |
| DLAP questions | pol2e_ch32_3_dlap.xml | 553e8d88757a2ee120000000 |
| Concept 32.3: A Beating Heart Propels the Blood | pol2e_ch32_4.html | 553e8d88757a2ee120000000 |
| DLAP questions | pol2e_ch32_4_dlap.xml | 553e8d88757a2ee120000000 |
| Concept 32.4: Many Key Processes Occur in the Vascular System | pol2e_ch32_5.html | 553e8d88757a2ee120000000 |
| DLAP questions | pol2e_ch32_5_dlap.xml | 553e8d88757a2ee120000000 |
| Concept 32.5: The Blood Transports O₂ and CO₂ | pol2e_ch32_6.html | 553e8d88757a2ee120000000 |
| DLAP questions | pol2e_ch32_6_dlap.xml | 553e8d88757a2ee120000000 |
| Summary | pol2e_ch32_7.html | 553e8d88757a2ee120000000 |
| DLAP questions | pol2e_ch32_7_dlap.xml | 553e8d88757a2ee120000000 |