Did you know that the cardiovascular system has its own special cleaning crew? It's true! The lymphatic system helps to remove waste and keep everything running smoothly. It's like having a personal garbage collector, but instead of trash, it's picking up bacteria and other bad stuff!
Circulatory System Major Functions
The heart is also super efficient - it can pump blood up to 10 feet per second, which is faster than you can say "cardiovascular system" three times fast! And, fun fact: the heart beats faster when you're excited or stressed, which is why you might feel like your heart is "racing" when you're in a tense situation.
