30.The four chambered heart of mammals and birds are separated by a septum wall.Justify.
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Answer: The four chambers are separated with a septum because if they are not separated then the co2 blood and o2 blood can mix.
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ᴍᴀᴍᴍᴀʟs ᴀɴᴅ ʙɪʀᴅs ʜᴀᴠᴇ ғᴏᴜʀ ᴄʜᴀᴍʙᴇʀᴇᴅ ʜᴇᴀʀᴛ ᴀs ᴛʜᴇʏ ʜᴀᴠᴇ ʜɪɢʜ ᴇɴᴇʀɢʏ ɴᴇᴇᴅs ɪɴ ᴏʀᴅᴇʀ ᴛᴏ ᴍᴀɪɴᴛᴀɪɴ ᴛʜᴇɪʀ ʙᴏᴅʏ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ. sᴇᴘᴇʀᴀᴛɪᴏɴ ᴏғ ᴛʜᴇ ᴄʜᴀᴍʙᴇʀs ᴘʀᴇᴠᴇɴᴛs ᴛʜᴇ ᴍɪxɪɴɢ ᴏғ ᴛʜᴇ ᴏxʏɢᴇɴᴀᴛᴇᴅ ᴀɴᴅ ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴡʜɪᴄʜ ᴀʟʟᴏᴡs ᴀ ʜɪɢʜ ᴇғғɪᴄɪᴇɴᴛ sᴜᴘᴘʟʏ ᴏғ ᴏxʏɢᴇɴ ᴛᴏ ᴛʜᴇ ʙᴏᴅʏ.
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