List Of Systems Of The Human Body - Human Body System Facts

The main systems of the human body are:

1. Cardiovascular / Circulatory system:
   1. Circulates blood around the body via the heart, arteries and veins, delivering oxygen and nutrients to organs and cells and carrying their waste products away.
2. Digestive system / Excretory system:
   1. Mechanical and chemical processes that provide nutrients via the mouth, esophagus, stomach and intestines.
   2. Eliminates waste from the body.
3. Endocrine system:
   1. Provides chemical communications within the body using hormones.
4. Integumentary system/ Exocrine system:
   1. Skin, hair, nails, sweat and other exocrine glands.
5. Lymphatic system / Immune system:
   1. The system comprising a network of lymphatic vessels that carry a clear fluid called lymph.
   2. Defends the body against disease-causing agents.
6. Muscular system/Skeletal system:
   1. Enables the body to move using muscles.
   2. Bones supporting the body and its organs.
7. Nervous system:
   1. Collects and processes information from the senses via nerves and the brain and tells the muscles to contract to cause physical actions.
8. Renal system / Urinary system:
   1. The system where the kidneys filter blood.
9. Reproductive system:
   1. The sex organs required for the production of offspring.
10. Respiratory system
    1. The lungs and the trachea that bring air into the body.

See also

• List of distinct cell types in the adult human body
• List of organs of the human body
• Cardiovascular System
• Digestive System
• Nervous System
• Integumentary System