Question

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and Bird

Answer 1

It is necessary in mammals and birds to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.

Answer 2

ᴍᴀᴍᴍᴀʟs ᴀɴᴅ ʙɪʀᴅs ᴀʀᴇ ᴀɴɪᴍᴀʟs ᴡʜɪᴄʜ ᴄᴀɴ ʙᴇ ᴄᴀʟʟᴇᴅ ᴡᴀʀᴍ-ʙʟᴏᴏᴅᴇᴅ ᴀɴɪᴍᴀʟs.

ᴡᴀʀᴍ-ʙʟᴏᴏᴅᴇᴅ ᴀɴɪᴍᴀʟs ʜᴀᴠᴇ ᴛʜᴇ ᴄʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄ ᴛʜᴀᴛ ᴛʜᴇʏ ᴄᴀɴ ᴘʀᴏᴅᴜᴄᴇ ʙᴏᴅʏ ʜᴇᴀᴛ, ᴇᴠᴇɴ ɪғ ɪᴛ ɪs ᴄᴏʟᴅ ᴏᴜᴛsɪᴅᴇ.

ɪᴛ ɪs ɴᴇᴄᴇssᴀʀʏ ᴛʜᴀᴛ ᴛʜᴇ ᴏxʏɢᴇɴᴀᴛᴇᴅ ᴀɴᴅ ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ɪs sᴇᴘᴀʀᴀᴛᴇᴅ sᴏ ᴛʜᴀᴛ ᴛʜᴇ ʙᴏᴅʏ ᴅᴏᴇs ɴᴏᴛ ɢᴇɴᴇʀᴀᴛᴇ ᴇxᴄᴇssɪᴠᴇ ʜᴇᴀᴛ ᴅᴜᴇ ᴛᴏ ᴇxᴄᴇssɪᴠᴇ ᴘʀᴏᴅᴜᴄᴛɪᴏɴ ᴏғ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ.