Question

how a portal veins differs from a normal vein​

Answer 1

Answer:

normal vein has more valves than portal vein

Answer 2

ᴀɴsᴡᴇʀ ⤵️

➡️ᴛʜᴇ ᴘᴏʀᴛᴀʟ ᴠᴇɪɴ ɪs ɴᴏᴛ ᴀ ᴛʀᴜᴇ ᴠᴇɪɴ, ʙᴇᴄᴀᴜsᴇ ɪᴛ ᴄᴏɴᴅᴜᴄᴛs ʙʟᴏᴏᴅ ᴛᴏ ᴄᴀᴘɪʟʟᴀʀʏ ʙᴇᴅs ɪɴ ᴛʜᴇ ʟɪᴠᴇʀ ᴀɴᴅ ɴᴏᴛ ᴅɪʀᴇᴄᴛʟʏ ᴛᴏ ᴛʜᴇ ʜᴇᴀʀᴛ. ɪᴛ ɪs ᴀ ᴍᴀᴊᴏʀ ᴄᴏᴍᴘᴏɴᴇɴᴛ ᴏғ ᴛʜᴇ ʜᴇᴘᴀᴛɪᴄ ᴘᴏʀᴛᴀʟ sʏsᴛᴇᴍ, ᴏɴᴇ ᴏғ ᴏɴʟʏ ᴛᴡᴏ ᴘᴏʀᴛᴀʟ ᴠᴇɴᴏᴜs sʏsᴛᴇᴍs ɪɴ ᴛʜᴇ ʙᴏᴅʏ – ᴡɪᴛʜ ᴛʜᴇ ʜʏᴘᴏᴘʜʏsᴇᴀʟ ᴘᴏʀᴛᴀʟ sʏsᴛᴇᴍ ʙᴇɪɴɢ ᴛʜᴇ ᴏᴛʜᴇʀ.

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