Question

give advantages of separation in heart of mammals

Answer 1

As you may know, in mammals, the heart is divided into four chambers. This gives mammals the following advantages:

1. Circulatory system becomes more efficient
2. Mammals can maintain constant body temperature.
3. Non-mixing of de-oxygenated and oxygenated blood is very helpful as it helps deliver more oxygen rich blood to cells than animals like fishes where both types of blood get mixed.

Answer 2

Answer:

ᴛʜᴇ ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ɪs sᴇᴘᴀʀᴀᴛᴇᴅ ғʀᴏᴍ ᴛʜᴇ ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ, ᴡʜɪᴄʜ ɪᴍᴘʀᴏᴠᴇs ᴛʜᴇ ᴇғғɪᴄɪᴇɴᴄʏ ᴏғ ᴅᴏᴜʙʟᴇ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ᴀɴᴅ ɪs ᴘʀᴏʙᴀʙʟʏ ʀᴇǫᴜɪʀᴇᴅ ғᴏʀ ᴛʜᴇ ᴡᴀʀᴍ-ʙʟᴏᴏᴅᴇᴅ ʟɪғᴇsᴛʏʟᴇ ᴏғ ᴍᴀᴍᴍᴀʟs ᴀɴᴅ ʙɪʀᴅs. ᴛʜᴇ ғᴏᴜʀ-ᴄʜᴀᴍʙᴇʀᴇᴅ ʜᴇᴀʀᴛ ᴏғ ʙɪʀᴅs ᴀɴᴅ ᴍᴀᴍᴍᴀʟs ᴇᴠᴏʟᴠᴇᴅ ɪɴᴅᴇᴘᴇɴᴅᴇɴᴛʟʏ ғʀᴏᴍ ᴀ ᴛʜʀᴇᴇ-ᴄʜᴀᴍʙᴇʀᴇᴅ ʜᴇᴀʀᴛ.