HUMAN ORGAN SYSTEMS

List of systems of the human body

The main systems of the human body are:

1.   Cardiovascular system / Circulatory system        click here

• 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        click here

• Mechanical and chemical processes that provide nutrients via the mouth, esophagus, stomach and intestines.
•  Eliminates waste from the body.

 3.   Endocrine system 

•  Provides chemical communications within the body using hormones.

 4.   Integumentary system/ Exocrine system      click here

• Skin, hair, nails, sweat and other exocrine glands.

 5.   Lymphatic system / Immune system 

• The system comprising a network of lymphatic vessels that carry a clear fluid called lymph.
• Defends the body against pathogenic viruses that may endanger the body.

 6.   Muscular system 

• Enables the body to move using muscles.

7.   Nervous system 

• 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 

• The system where the kidneys filter blood.

9.   Reproductive system 

• The sex organs required for the production of offspring

10. Respiratory system        click here

• The lungs and the trachea that bring air into the body.

11. Skeletal system 

• Bones supporting the body and its organs.