4 ms·
What would be the force actually shutting the capillaries, if the veins themselves aren't collapsing? The upper part of a siphon still has internal pressure, ju
by htns 7y ago
What would be the force actually shutting the capillaries, if the veins themselves aren't collapsing? The upper part of a siphon still has internal pressure, just less than at its base.
- ncmncm 7y agoFor a siphon to work at all requires negative pressure at the top.