Question

single and double circulatory system​

Answer 1

Explanation:

Single circulation system as found in a typical fish species. The red represents oxygen-rich or oxygenated blood, the blue represents oxygen-deficient or deoxygenated blood. Double circulation pathways are found in birds and mammals. ... Most mammals, including humans, have this type of circulatory system

Answer 2

Answer:

ꜱɪɴɢʟᴇ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ꜱʏꜱᴛᴇᴍ ᴀꜱ ꜰᴏᴜɴᴅ ɪɴ ᴀ ᴛʏᴘɪᴄᴀʟ ꜰɪꜱʜ ꜱᴘᴇᴄɪᴇꜱ. ᴛʜᴇ ʀᴇᴅ ʀᴇᴘʀᴇꜱᴇɴᴛꜱ ᴏxʏɢᴇɴ-ʀɪᴄʜ ᴏʀ ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ, ᴛʜᴇ ʙʟᴜᴇ ʀᴇᴘʀᴇꜱᴇɴᴛꜱ ᴏxʏɢᴇɴ-ᴅᴇꜰɪᴄɪᴇɴᴛ ᴏʀ ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ. ᴅᴏᴜʙʟᴇ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ᴘᴀᴛʜᴡᴀʏꜱ ᴀʀᴇ ꜰᴏᴜɴᴅ ɪɴ ʙɪʀᴅꜱ ᴀɴᴅ ᴍᴀᴍᴍᴀʟꜱ. ... ᴍᴏꜱᴛ ᴍᴀᴍᴍᴀʟꜱ, ɪɴᴄʟᴜᴅɪɴɢ ʜᴜᴍᴀɴꜱ, ʜᴀᴠᴇ ᴛʜɪꜱ ᴛʏᴘᴇ ᴏꜰ ᴄɪʀᴄᴜʟᴀᴛᴏʀʏ ꜱʏꜱᴛᴇᴍ.

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