• Transports oxygen, nutrients, and waste throughout the body.

• Includes the heart, blood, and blood vessels.

• Interacts with the respiratory system to exchange oxygen and carbon dioxide.

  
  

  References:

• Cleveland Clinic – https://my.clevelandclinic.org/health/body/21796-circulatory-system
  (Direct image: https://my.clevelandclinic.org/-/scassets/images/org/health/articles/21796-circulatory-system)

• Brings oxygen into the body and removes carbon dioxide.

• Key parts include the lungs, trachea, and diaphragm.

• Interacts with the nervous system to regulate breathing rate.

References: National Heart, Lung, and Blood Institute – https://www.nhlbi.nih.gov/health/respiratory-system
(Image: https://www.nhlbi.nih.gov/sites/default/files/publications/Respiratory-System.jpg)

• Produces hormones that regulate bodily processes, such as growth and metabolism.

• Includes glands like the pituitary, thyroid, and adrenal glands.

• Interacts with the reproductive system through hormone regulation.

References:

Johns Hopkins Medicine – https://www.hopkinsmedicine.org/health/wellness-and-prevention/endocrine-system
(Image: https://www.hopkinsmedicine.org/-/media/images/health/1_-wellness/endocrine-system)

• Provides structure, support, and movement for the body.

• Includes bones, muscles, ligaments, and tendons.

• Interacts with the nervous system to control voluntary and involuntary movement.

References:

Cleveland Clinic – https://my.clevelandclinic.org/health/articles/12254-musculoskeletal-system

• Controls body functions through electrical signals and responses.

• Includes the brain, spinal cord, and nerves.

• Interacts with all other systems to regulate their functions, especially the endocrine system.

References:

National Institute of Neurological Disorders and Stroke – https://www.ninds.nih.gov

• Defends the body against infections and diseases.

• Includes white blood cells, lymph nodes, and antibodies.

• Interacts with the circulatory system to transport immune cells to their designated locations.

References:

CDC – https://www.cdc.gov

• Allows humans to produce offspring.

• Includes male and female reproductive organs (ovaries, uterus, testes).

• Interacts with the endocrine system through hormone regulation of puberty and reproduction.

References:

MedlinePlus – https://medlineplus.gov/ency/article/002352.htm