Biology, asked by swasi0102, 10 months ago

Why are the surfaces which are responsible to exchange gases for respiration in bigger animals are protected within the body?
(please help me with this)
q is why it's protected

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Answered by Anonymous

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Q.Why are the surfaces which are responsible to exchange gases for respiration in bigger animals are protected within the body?

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ʟᴀʀɢᴇ ᴀɴɪᴍᴀʟs ᴄᴀɴɴᴏᴛ ᴍᴀɪɴᴛᴀɪɴ ɢᴀs ᴇxᴄʜᴀɴɢᴇ ʙʏ ᴅɪғғᴜsɪᴏɴ ᴀᴄʀᴏss ᴛʜᴇɪʀ ᴏᴜᴛᴇʀ sᴜʀғᴀᴄᴇ. ᴛʜᴇʏ ᴅᴇᴠᴇʟᴏᴘᴇᴅ ᴀ ᴠᴀʀɪᴇᴛʏ ᴏғ ʀᴇsᴘɪʀᴀᴛᴏʀʏ sᴜʀғᴀᴄᴇs ᴛʜᴀᴛ ᴀʟʟ ɪɴᴄʀᴇᴀsᴇ ᴛʜᴇ sᴜʀғᴀᴄᴇ ᴀʀᴇᴀ ғᴏʀ ᴇxᴄʜᴀɴɢᴇ, ᴛʜᴜs ᴀʟʟᴏᴡɪɴɢ ғᴏʀ ʟᴀʀɢᴇʀ ʙᴏᴅɪᴇs

ᴀ ʀᴇsᴘɪʀᴀᴛᴏʀʏ sᴜʀғᴀᴄᴇ ɪs ᴄᴏᴠᴇʀᴇᴅ ᴡɪᴛʜ ᴛʜɪɴ, ᴍᴏɪsᴛ ᴇᴘɪᴛʜᴇʟɪᴀʟ ᴄᴇʟʟs ᴛʜᴀᴛ ᴀʟʟᴏᴡ ᴏxʏɢᴇɴ ᴀɴᴅ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ᴛᴏ ᴇxᴄʜᴀɴɢᴇ. ᴛʜᴏsᴇ ɢᴀsᴇs ᴄᴀɴ ᴏɴʟʏ ᴄʀᴏss ᴄᴇʟʟ ᴍᴇᴍʙʀᴀɴᴇs ᴡʜᴇɴ ᴛʜᴇʏ ᴀʀᴇ ᴅɪssᴏʟᴠᴇᴅ ɪɴ ᴡᴀᴛᴇʀ ᴏʀ ᴀɴ ᴀϙᴜᴇᴏᴜs sᴏʟᴜᴛɪᴏɴ, ᴛʜᴜs ʀᴇsᴘɪʀᴀᴛᴏʀʏ sᴜʀғᴀᴄᴇs ᴍᴜsᴛ ʙᴇ ᴍᴏɪsᴛ.

ᴇᴀᴄʜ ᴏғ ᴏᴜʀ ʟᴜɴɢs ᴄᴏɴᴛᴀɪɴs ʜᴜɴᴅʀᴇᴅs ᴏғ ᴍɪʟʟɪᴏɴs ᴏғ ᴛʜᴇsᴇ ᴛɪɴʏ ᴀʟᴠᴇᴏʟɪ. ɢᴀs ᴇxᴄʜᴀɴɢᴇ ᴏᴄᴄᴜʀs ᴀᴄʀᴏss ᴇᴀᴄʜ ᴏғ ᴛʜᴇ ᴀʟᴠᴇᴏʟɪ. ᴛʜɪs ʟᴀʀɢᴇ ɴᴜᴍʙᴇʀ ᴏғ ᴀʟᴠᴇᴏʟɪ ɢʀᴇᴀᴛʟʏ ɪɴᴄʀᴇᴀsᴇs ᴛʜᴇ sᴜʀғᴀᴄᴇ ᴀʀᴇᴀ ғᴏʀ ɢᴀs ᴇxᴄʜᴀɴɢᴇ. ɴᴏᴡ, ᴛʜᴇ ᴛᴏᴛᴀʟ sᴜʀғᴀᴄᴇ ᴀʀᴇᴀ ᴏғ ᴀʟᴠᴇᴏʟɪ ɪs ᴀʙᴏᴜᴛ 140 sϙᴜᴀʀᴇ ᴍᴇᴛᴇʀs ᴏʀ 1,500 sϙᴜᴀʀᴇ ғᴇᴇᴛ.

ᴀᴅᴠᴀɴᴛᴀɢᴇs. ʜᴀᴠɪɴɢ ᴀɴ ɪɴᴛᴇʀɴᴀʟ ɢᴀs ᴇxᴄʜᴀɴɢᴇ sʏsᴛᴇᴍ (ʟᴜɴɢs) ʜᴇʟᴘs ᴛᴏ ʀᴇᴅᴜᴄᴇ ᴡᴀᴛᴇʀ ʟᴏss ᴀɴᴅ ᴍᴀɪɴᴛᴀɪɴ ᴀ ᴍᴏɪsᴛ ɢᴀs ᴇxᴄʜᴀɴɢᴇ sᴜʀғᴀᴄᴇ. ᴛʜɪs ᴀʟʟᴏᴡs ᴍᴀᴍᴍᴀʟs ᴛᴏ ɪɴʜᴀʙɪᴛ ᴀ ɢʀᴇᴀᴛᴇʀ ᴠᴀʀɪᴇᴛʏ ᴏғ ᴛᴇʀʀᴇsᴛʀɪᴀʟ ʜᴀʙɪᴛᴀᴛs. ᴛʜᴇ ʜɪɢʜʟʏ ʙʀᴀɴᴄʜᴇᴅ sᴛʀᴜᴄᴛᴜʀᴇ ᴏғ ᴛʜᴇ ʙʀᴏɴᴄʜɪᴀʟ ᴛʀᴇᴇ ʟᴇᴀᴅs ᴛᴏ ᴍᴀɴʏ ᴛɪɴʏ ᴀʟᴠᴇᴏʟɪ.

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Why are the surfaces which are responsible to exchange gases for respiration in bigger animals are protected within the body?(please help me with this)q is why it's protected​

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Why are the surfaces which are responsible to exchange gases for respiration in bigger animals are protected within the body?
(please help me with this)
q is why it's protected