The Circulatory System Secret You’ve Never Heard About
7 Mar 2025 · 1 min

0:46
YouTube video by Darrian Peck explaining that most circulation (≈70%) occurs in the microvascular (capillary) system rather than via the heart and large vessels. The speaker highlights that capillaries can fit single cells, are harder to reach, and are especially susceptible to inflammation and to impairment from elevated homocysteine which may cause vasoconstriction and raise pressure. The piece frames microvascular dysfunction as a critical, under-recognized vulnerability in circulation.










