11 Body Systems in 3 minutes

If you could take a look inside this person riding the skateboard you would see an amazing team of different body systems working together.

There are at least 11 body systems that work together to help keep the human body alive. 

The integumentary system is made up of our skin, which is the largest organ of the body. It acts as a barrier which protects us from the outside world, helps prevent water loss, and regulates our temperature. In addition, it allows us to touch our surroundings.

The skeletal system is made up of our bones, ligaments which attach bone to bone, tendons which attach muscle to bone and our joints. The skeletal system helps with movement and protection. 

The muscular system is responsible for movement inside and out of the body. There are three major types of muscles, skeletal muscles which are muscles attached to bones, smooth muscles which are involuntary muscles found inside the stomach, the intestines and several other places, and cardiac muscle which are muscles of the heart. 

The urinary system filters blood through the kidneys where it works to filter out waste and produces urine. 

The function of the respiratory system is to exchange oxygen and carbon dioxide between the atmosphere and the blood. The lungs are a major organ of this system.

The digestive system breaks down food so nutrients can be absorbed by the body. It has three main functions, ingest food, break food down so that nutrients can be absorbed, and eliminate what can't be digested. 

The endocrine system sends chemical messages throughout the body. This system is composed of glands that produce hormones that act as chemical messengers of the body. For example adrenaline is a hormone that causes you to have a sudden burst of energy. 

The reproductive system is responsible for producing offspring. 

The lymphatic system includes organs and cells that filter lymph and blood and destroy foreign microorganisms.Lymph is the fluid that leaks out of the capillaries. This fluid circulates among the tissue cells and is collected by lymphatic vessels and returned to the veins.

The nervous system sends electrical signals throughout your body. These signals may cause your arm to move or your heart to be this system is composed of two major divisions. The central nervous system, which is the brain and the spinal cord, and the peripheral nervous system which consists of the nerves that branch out from the brain and the spinal cord. 

The circulatory system pumps blood throughout your body. It consists of your heart veins that carry blood to the heart arteries that carry blood away from the heart and capillaries which connect the veins and the arteries.

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