The Heart is really the only organ, but you must remember that EVERY organ receives blood from the circulatory system, so in essence, truly all organs are effected.
The circulatory system is composed of the heart, blood vessels, and blood. The heart pumps blood through blood vessels to transport oxygen, nutrients, hormones, and waste products throughout the body.
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The correct order from least to most complex is: heart cell, cardiac muscle, heart, circulatory system. A heart cell is the basic unit of structure and function, which combines to form cardiac muscle. The heart is an organ made up of cardiac muscle, and the circulatory system encompasses the heart along with blood vessels and blood, facilitating the transport of nutrients and oxygen throughout the body.
the heart pumps bloodcalls around your body oxygen poos blood goes in the right autrium and then the right ventrical and the throught i forgot the name of th evein :) and into the lungs where oxygen for when we breath is transfered from airsacs in our lungs to our blood which goues into out left autriun in the right ventricle and throught the aorta devilering oxygen from or lungs to every part of the body, because we need the oxygen to live that's why people drown because we cant get oxygen from water like fish can this is a bit muvh but you probably learned somthing (I'm not a doctor but i want to be a cardiologist and is tudy almost every day)
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After leaving the systemic veins, blood enters the heart to be pumped to the lungs. There is gives up its carbon dioxide, takes in oxygen, enters the heart again, and is pumped to the body through the arteries.
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Microsoft is not an Operating System.
The first step would be to read up on the nature of the womans sexual organs and the th psycology surounding it, and at the same time put some of the pornographic movie ideas out of your head.