circulation of blood

Blood circulation is the movement of blood through your body, delivering oxygen and nutrients to cells while removing waste products. The heart acts as a pump, propelling oxygen-rich blood from the lungs to the body via arteries. After delivering nutrients, the blood collects carbon dioxide and waste, then returns to the heart through veins. From the heart, the blood is pumped to the lungs to release carbon dioxide and absorb fresh oxygen, completing the cycle. This continuous process maintains vital functions and overall health by ensuring all tissues receive what they need to function properly.