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The Heart
Circulatory system
Question | Answer |
---|---|
a tissue that is made up of cells, fluid, and other substances | blood |
the organ that pumps the blood throught the body. | heart |
the tubes, including arteries, veins, and capillaries, through which the blood moves throught the body | blood vessels |
the chamber of the heart that recieves blood that is returning to the heart | atruim |
the oxygen-carrying pigment in red blood vessels | hemoglobin |
one of the two large, muscular chambers that pump blood out of the heart | ventricle |
a groug of cells that are at the topof the right atrium and that control the heartbeat | cardiac pacemeter |
a blood vessel that carries blood away from the heart to other parts of the body | |