Question

Discuss the different barrier of innate immunity.​

Answer 1

Explanation:

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ɪᴛ ɪs ᴀᴄᴄᴏᴍᴘʟɪsʜᴇᴅ ʙʏ ᴘʀᴏᴠɪᴅɪɴɢ ᴅɪғғᴇʀᴇɴᴛ ᴛʏᴘᴇs ᴏғ ʙᴀʀʀɪᴇʀs.

ᴀ. ᴘʜʏsɪᴄᴀʟ ʙᴀʀʀɪᴇʀs ᴛʜᴇsᴇ ʙᴀʀʀɪᴇʀs ᴅᴏ ɴᴏᴛ ᴀʟʟᴏᴡ ᴘᴀᴛʜᴏɢᴇɴs ᴀɴᴅ ғᴏʀᴇɪɢɴ ᴀɢᴇɴᴛs ᴛᴏ ᴇɴᴛᴇʀ ᴛʜᴇ ʙᴏᴅʏ, ᴇ.ɢ., sᴋɪɴ, ᴍᴜᴄᴏᴜs ᴍᴇᴍʙʀᴀɴᴇs ᴏғ ᴅɪɢᴇsᴛɪᴠᴇ, ʀᴇsᴘɪʀᴀᴛᴏʀʏ ᴀɴᴅ ᴜʀɪɴᴏɢᴇɴɪᴛᴀʟ ᴛʀᴀᴄᴛs ᴛʀᴀᴘᴘɪɴɢ ᴍɪᴄʀᴏᴏʀɢᴀɴɪsᴍs.

ʙ. ᴘʜʏsɪᴏʟᴏɢɪᴄᴀʟ ʙᴀʀʀɪᴇʀs sᴡᴇᴀᴛ, ᴛᴇᴀʀs, ᴀᴄɪᴅ ɪɴ ᴛʜᴇ sᴛᴏᴍᴀᴄʜ ᴀɴᴅ sᴀʟɪᴠᴀ ᴘʀᴇᴠᴇɴᴛ ᴍɪᴄʀᴏʙɪᴀʟ ɢʀᴏᴡᴛʜ.

ᴄ. ᴄᴇʟʟᴜʟᴀʀ ʙᴀʀʀɪᴇʀs ᴡʙᴄs (ᴘᴏʟʏᴍᴏʀᴘʜᴏɴᴜᴄʟᴇᴀʀ ʟᴇᴜᴋᴏᴄʏᴛᴇs ᴀɴᴅ ᴍᴏɴᴏᴄʏᴛᴇs, ɴᴀᴛᴜʀᴀʟ ᴋɪʟʟᴇʀ ʟʏᴍᴘʜᴏᴄʏᴛᴇs) ᴀɴᴅ ᴍᴀᴄʀᴏᴘʜᴀɢᴇs ᴘʜᴀɢᴏᴄʏᴛᴏsᴇ ᴀɴᴅ ᴅᴇsᴛʀᴏʏ ᴍɪᴄʀᴏʙᴇs.

ᴅ. ᴄʏᴛᴏᴋɪɴᴇ ʙᴀʀʀɪᴇʀs ɪɴᴛᴇʀғᴇʀᴏɴs ᴘʀᴏᴅᴜᴄᴇᴅ ʙʏ ᴠɪʀᴜs-ɪɴғᴇᴄᴛᴇᴅ ᴄᴇʟʟs ᴘʀᴏᴛᴇᴄᴛ ɴᴏɴ-ɪɴғᴇᴄᴛᴇᴅ ᴄᴇʟʟs ғʀᴏᴍ ғᴜʀᴛʜᴇʀ ᴠɪʀᴀʟ ɪɴғᴇᴄᴛɪᴏɴ.