Question

What prevents the backflow of blood in heart
?​

Answer 1

Explanation:

The mitral valve regulates the blood flow between the left atrium and the left ventricle. It prevents the backflow of blood to the left atrium when the left ventricle pumps blood through the aorta to the rest of the body.

Answer 2

ᴛʜᴇ ᴍɪᴛʀᴀʟ ᴠᴀʟᴠᴇ ʀᴇɢᴜʟᴀᴛᴇꜱ ᴛʜᴇ ʙʟᴏᴏᴅ ꜰʟᴏᴡ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ʟᴇꜰᴛ ᴀᴛʀɪᴜᴍ ᴀɴᴅ ᴛʜᴇ ʟᴇꜰᴛ ᴠᴇɴᴛʀɪᴄʟᴇ. ɪᴛ ᴩʀᴇᴠᴇɴᴛꜱ ᴛʜᴇ ʙᴀᴄᴋꜰʟᴏᴡ ᴏꜰ ʙʟᴏᴏᴅ