Biology, asked by rashiharshir, 4 months ago

speed of nerve impulse is more in myelinated nerve fibres.why?​

Answers

Answered by itzsecretagent
6

Answer:

ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ ɪᴍᴘᴜʟsᴇ 'ᴊᴜᴍᴘs' ᴏᴠᴇʀ ᴀʀᴇᴀs ᴏғ ᴍʏᴇʟɪɴ, ᴀɴ ɪᴍᴘᴜʟsᴇ ᴛʀᴀᴠᴇʟs ᴍᴜᴄʜ ғᴀsᴛᴇʀ ᴀʟᴏɴɢ ᴀ ᴍʏᴇʟɪɴᴀᴛᴇᴅ ɴᴇᴜʀᴏɴ ᴛʜᴀɴ ᴀʟᴏɴɢ ᴀ ɴᴏɴ-ᴍʏᴇʟɪɴᴀᴛᴇᴅ ɴᴇᴜʀᴏɴ. ᴠᴇʟᴏᴄɪᴛʏ ᴏғ ɴᴇʀᴠᴇ ɪᴍᴘᴜʟsᴇs ɴᴏᴛ ᴏɴʟʏ ᴅᴇᴘᴇɴᴅs ᴏɴ ᴍʏᴇʟɪɴᴀᴛɪᴏɴ ʙᴜᴛ ᴀʟsᴏ ᴏɴ ᴛʜᴇ ᴛʜɪᴄᴋɴᴇss ᴏғ ᴛʜᴇ ɴᴇʀᴠᴇ ғɪʙʀᴇs.

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