Question

Two functions of alveoli

Answer 1

1.exchange of gases takes place
2.presence of alveoli increase the surface area of lungs where rate of respiration increases

Answer 2

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• ᴛʜᴇ ᴀʟᴠᴇᴏʟɪ ᴀʀᴇ ᴡʜᴇʀᴇ ᴛʜᴇ ʟᴜɴɢs ᴀɴᴅ ᴛʜᴇ ʙʟᴏᴏᴅ ᴇxᴄʜᴀɴɢᴇ ᴏxʏɢᴇɴ ᴀɴᴅ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ᴅᴜʀɪɴɢ ᴛʜᴇ ᴘʀᴏᴄᴇss ᴏғ ʙʀᴇᴀᴛʜɪɴɢ ɪɴ ᴀɴᴅ ʙʀᴇᴀᴛʜɪɴɢ ᴏᴜᴛ.
• ᴏxʏɢᴇɴ ʙʀᴇᴀᴛʜᴇᴅ ɪɴ ғʀᴏᴍ ᴛʜᴇ ᴀɪʀ ᴘᴀssᴇs ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ᴀʟᴠᴇᴏʟɪ ᴀɴᴅ ɪɴᴛᴏ ᴛʜᴇ ʙʟᴏᴏᴅ ᴀɴᴅ ᴛʀᴀᴠᴇʟs ᴛᴏ ᴛʜᴇ ᴛɪssᴜᴇs ᴛʜʀᴏᴜɢʜᴏᴜᴛ ᴛʜᴇ ʙᴏᴅʏ.