Have you ever wondered how your body works? How your heart beats? How your brain controls your body? Well, you’re in luck! I’m starting a new series on how the body works! Every publishing, I’ll dive into a different body system. Let’s begin!
First up is the circulatory system! It is one of the most well-known body systems. The circulatory system’s job is to transport blood and oxygen throughout the human body. It also helps get rid of waste, including carbon dioxide and other unneeded substances.
The circulatory system functions using blood vessels such as arteries, veins, and capillaries. There are seven steps:
- The right ventricle is one of the heart’s four chambers. Located on the lower right of the circulatory system, it sends to the lungs blood that is low or out of oxygen. Blood travels through the pulmonary trunk (which is the main pulmonary artery).
- The blood cells pick up oxygen from your lungs.
- Pulmonary veins carry the oxygen-rich blood from the lungs to the upper left chamber of the heart, also known as the left atrium.
- The left atrium sends the blood into the left ventricle, which is just below it. From there, it gets pumped to the rest of the body.
- The blood collects and drops off nutrients, waste, and hormones throughout the body.
- Veins carry oxygen-less blood to the heart once again, and it gets pumped to the lungs.
- The body gets rid of the leftover carbon dioxide waste when you exhale.
Wow! That’s a lot of information!
The Lighthouse 