← Chapter 20
Anatomy & Physiology · Chapter 20
Capillary Exchange
Along one capillary, two forces pull against each other. They decide if fluid leaves the blood or comes back. Tap each end to see the tug-of-war.
Arterial end
one capillary · artery end (left) → vein end (right)
Capillary exchange
fluid out & fluid back in
Arterial end
Venous end
📷 Reference image
A real labeled picture to compare with the activity above.
Capillary Exchange — OpenStax, CC BY 3.0 (via Wikimedia Commons)
