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The systems of the human body - Coggle Diagram

- - - - When the person swallows, the tongue pushes the food down the throat.
    - - Once the person begins to swallow, the process becomes automatic. The brain sends signals to the muscles of the esophagus and peristalsis begins.
    - - After food enters the stomach, the stomach muscles mix the food and liquid with digestive juices. The stomach slowly empties its contents, called chyme, into the small intestine.
    - - The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine and push the mixture forward to continue the digestion process.
    - - Produces insulin, a hormone.
    - - Stores bili.
    - - Absorbs water and minerals.
- - - - The heart, composed by two atria and two ventricles (interior chambers), pumps blood to the lungs to pick up oxygen, then pumps it out the rest of the body. This process picks up a waste product, known as carbon dioxide (CO2), so it must be
    - - The lungs bring oxygen (O2) to the body everytime it breathes, and from there it finds its way to every part in the body. The blood is delivered everywhere.
  - - - Arteries, also a type of blood vessel function by safely carrying the oxygenated blood away from your heart, so it reached every single part in your body (arms, legs, toes, and so on).
    - - Veins are quite the opposite to arteries. They are blood vessels, of course, but they carry deoxygenated blood back to your heart.
    - - Capillaries are very small blood vessels located in the lungs. The human body contains about 10 billion of these tiny capsules, and their job is to exchange oxygenated blood successfully to the heart.