When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The circulatory system consists of three independent systems that work together: the heart ...

The circulatory system takes oxygen around the body. Find out more in this Bitesize Primary KS2 Science guide.

Your circulatory system is how your oxygen-rich blood flows from your heart through your body, washing over all your vital organs, then returning oxygen-poor blood to your heart.

Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart. According to the ...

Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.