Question

what is advanced of a four chambered heart?​

Answer 1

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Answer⤵️

ɪɴ ꜰᴏᴜʀ ᴄʜᴀᴍʙᴇʀᴇᴅ ʜᴇᴀʀᴛ ʟᴇꜰᴛ ʜᴀʟꜰ ɪꜱ ᴄᴏᴍᴘʟᴇᴛᴇʟʏ ꜱᴇᴘᴀʀᴀᴛᴇᴅ ꜰʀᴏᴍ ʀɪɢʜᴛ ʜᴀʟꜰ ʙʏ ꜱᴇᴘᴛᴀ. ᴛʜɪꜱ ᴘʀᴇᴠᴇɴᴛꜱ ᴏxʏɢᴇɴᴀᴛᴇᴅ ᴀɴᴅ ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ꜰʀᴏᴍ ᴍɪxɪɴɢ. ᴛʜɪꜱ ᴀʟʟᴏᴡꜱ ᴀ ʜɪɢʜʟʏ ᴇꜰꜰɪᴄɪᴇɴᴛ ꜱᴜᴘᴘʟʏ ᴏꜰ ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴛᴏ ᴀʟʟ ᴘᴀʀᴛꜱ ᴏꜰ ᴛʜᴇ ʙᴏᴅʏ. ᴛʜɪꜱ ɪꜱ ᴜꜱᴇꜰᴜʟ ɪɴ ᴀɴɪᴍᴀʟꜱ ᴛʜᴀᴛ ʜᴀᴠᴇ ʜɪɢʜ ᴇɴᴇʀɢʏ ɴᴇᴇᴅꜱ ꜱᴜᴄʜ ᴀꜱ ʙɪʀᴅꜱ ᴀɴᴅ ᴍᴀᴍᴍᴀʟꜱ..

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Answer 2

Answer:

Four-chambered heart gives following advantages:

(a) There is clear cut division of labour among different chambers. Atria receive blood and ventricles pump the blood.

(b) There is complete segregation of oxygenated and deoxygenated blood in the heart.

(c) Heart's efficiency is more in this design.

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