One level back to Mobility 2.3.3.1.2.2.2. Blood systems 2.3.3.1.2.2.2.1. Pulmonary circulation 2.3.3.1.2.2.2.2. Lymphatic system 2.3.3.1.2.2.2.3. Portal vein system One level further to Pulmonary circulation One level further to Lymphatic system One level further to Portal vein system

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Blood systems