9: The Circulatory System Last updated Feb 28, 2025 Save as PDF 8.6: Glossary- Special Senses 9.1: Blood Page ID84776 Lumen LearningLumen Learning ( \newcommand{\kernel}{\mathrm{null}\,}\) 9.1: Blood9.2: Heart9.3: Blood Vessels9.4: Age Related Changes to the Circulatory System9.5: Age Related Dysfunctions to The Circulatory System9.6: Glossary- The Circulatory System