+Capillaries are the body's smallest [Blood Vessels](/wiki/blood_vessels), forming a delicate network that connects [Arteries](/wiki/arteries) to [Veins](/wiki/veins). Through their ultra-thin walls, vital [Nutrients](/wiki/nutrients) and oxygen pass to tissues, while waste products are collected for removal.
+## See also
+- [Circulation](/wiki/circulation)
+- [Oxygen](/wiki/oxygen)
+- [Tissue](/wiki/tissue)