Question

What is diaphragm? please answer quickly it's urgent​

Answer 1

Answer:

The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.

hope it's help dear!!

Mark♥️

Answer 2

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• ᴅɪᴀᴘʜʀᴀɢᴍ, ʟᴏᴄᴀᴛᴇᴅ ʙᴇʟᴏᴡ ᴛʜᴇ ʟᴜɴɢs, ɪs ᴛʜᴇ ᴍᴀᴊᴏʀ ᴍᴜsᴄʟᴇ ᴏғ ʀᴇsᴘɪʀᴀᴛɪᴏɴ. ɪᴛ ɪs ᴀ ʟᴀʀɢᴇ, ᴅᴏᴍᴇ-sʜᴀᴘᴇᴅ ᴍᴜsᴄʟᴇ ᴛʜᴀᴛ ᴄᴏɴᴛʀᴀᴄᴛs ʀʜʏᴛʜᴍɪᴄᴀʟʟʏ ᴀɴᴅ ᴄᴏɴᴛɪɴᴜᴀʟʟʏ, ᴀɴᴅ ᴍᴏsᴛ ᴏғ ᴛʜᴇ ᴛɪᴍᴇ, ɪɴᴠᴏʟᴜɴᴛᴀʀɪʟʏ. ᴜᴘᴏɴ ɪɴʜᴀʟᴀᴛɪᴏɴ, ᴛʜᴇ ᴅɪᴀᴘʜʀᴀɢᴍ ᴄᴏɴᴛʀᴀᴄᴛs ᴀɴᴅ ғʟᴀᴛᴛᴇɴs ᴀɴᴅ ᴛʜᴇ ᴄʜᴇsᴛ ᴄᴀᴠɪᴛʏ ᴇɴʟᴀʀɢᴇs.