Aorta - Carries oxygen-rich blood from the heart to the body, Pulmonary artery - Sends blood from the heart to the lungs, Red blood cells - Carry oxygen throughout the body, Platelets - Help the blood to clot during injuries, Hemoglobin - The protein in red blood cells that binds oxygen, Veins - Carry blood back to the heart, White blood cells - Fight infections and defend the body,

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