Linked from
The 11 pages that link to Capillary exchange, each with the reason it gives.
BloodRelated: It is where transported materials enter or leave the blood.
Circulatory systemRelated: Thin capillary walls make material exchange possible across the system.
Extracellular fluidRelated: It links plasma with interstitial fluid.
Body fluidRelated: It governs the exchange that forms and replenishes interstitial fluid.