Question

what is a circulation​

Answer 1

Answer:

the continuous movement of blood through the heart and blood vessels, which is maintained chiefly by the action of the heart, and by which nutrients, oxygen, and internal secretions are carried to and wastes are carried from the body tissues.

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Answer 2

ᴀɴsᴡᴇʀ ʀᴇғᴇʀs ᴛᴏ ʙɪᴏʟᴏɢʏ:-

☞ᴍᴏᴠᴇᴍᴇɴᴛ ɪɴ ᴀ ʀᴇɢᴜʟᴀʀ ᴏʀ ᴄɪʀᴄᴜɪᴛᴏᴜs ᴄᴏᴜʀsᴇ, ᴀs ᴛʜᴇ ᴍᴏᴠᴇᴍᴇɴᴛ ᴏғ ᴛʜᴇ ʙʟᴏᴏᴅ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ʜᴇᴀʀᴛ ᴀɴᴅ ʙʟᴏᴏᴅ ᴠᴇssᴇʟs.

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