Question

Why does the blood not clot inside uninjured vessels?what happens if the blood clots inside an intact vessel

Answer 1

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⇛ʙᴇᴄᴀᴜꜱᴇ ʜᴇᴘᴀʀɪɴ ɪꜱ ᴘʀᴇꜱᴇɴᴛ ɪɴꜱɪᴅᴇ ᴛʜᴇ ʙʟᴏᴏᴅ ᴠᴇꜱꜱᴇʟꜱ, ᴡʜɪᴄʜ ᴘʀᴇᴠᴇɴᴛꜱ ᴛʜᴇ ʙʟᴏᴏᴅ ꜰʀᴏᴍ ᴄʟᴏᴛᴛɪɴɢ.

@ɖɨʋǟռֆɦɨաǟɖɦաǟ❤️

Answer 2

Answer:

Blood proteins, prothrombin and fibrinogen do not form blood clot inside blood vessels as these are in inactive form due to the presence of anticoagulant heparin. At the injury, these are activated by thrombokinase enzymes of bloods platelets.