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What conditions are necessary for HPL (human pancreatic lipase) to activate?
Doesn't lingual lipase have an optimal pH around 4 - 5? That's why it can still continue its catalytic activity even in the stomach...
How do the lungs act as a sieve to trap blood clots?
But if a blot clot gets stuck in a small capillary, won't it get occluded and prevent blood flow? I know that the lungs have a mechanism to prevent ventilation-perfusion inequality, and if a blood clot did get stuck, there would be bronchioconstriction of the airway leading to that alveolus, but I don't see how just getting stuck in a capillary makes the lung a sieve for blood clots. I do appreciate you asking the lung experts. Thank you for answering!