• Breaks down food to absorb essential nutrients.

• Includes organs like stomach, pancreas, liver, and intestines.

• Interacts with the circulatory system, as nutrients are absorbed into the bloodstream and delivered to cells throughout the body.

  
  

Image citation:

https://www.niddk.nih.gov/health-information/digestive-diseases/digestive-system-how-it-works

• Transports oxygen, nutrients, hormones, and waste products through the body.

• Includes the heart, blood vessels (arteries, veins, capillaries), and blood.

• Interacts with the respiratory system by transporting oxygen from the lungs to body tissues and removing carbon dioxide.

Image citation:

https://www.britannica.com/science/circulatory-system

• Enables the exchange of oxygen and carbon dioxide.

• Includes the lungs, trachea, bronchi, and diaphragm.

• Work closely with the circulatory system to deliver oxygen to cells and remove carbon dioxide.

Image citation:

https://www.lung.ca/lung-health/lung-info/respiratory-system

• Regulates body functions using hormones.

• Includes glands like the thyroid, adrenal glands, pancreas, and reproductive glands.

• Interacts with the nervous system to help regulate mood, growth, metabolism, and stress response.

Image citation:

https://www.cincinnatichildrens.org/health/e/endocrine

• Provides structure, support, and movement.

• Includes bones, muscles, joints, tendons, and ligaments.

• Works with the nervous system to control voluntary and involuntary movements.

Image citation:

https://www.khanacademy.org/science/how-does-the-human-body-work/x0fe8768432761c62:locomotion-and-movement/x0fe8768432761c62:joints-and-disorders-of-the-musculoskeletal-system/a/hs-the-musculoskeletal-system-review

• Controls and coordinates body activities using electrical signals.

• Includes the brain, spinal cord, and peripheral nerves.

• Interacts with the muscular system by sending signals that initiate muscles contractions.

Image citation:

https://www.news-medical.net/health/What-is-the-Nervous-System.aspx

• Protects the body from infections and diseases.

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

• Works with the circulatory system to transport immune cells throughout the body.

Image citation:

https://good-earth.com/immune-system-101/

• Allows for sexual reproduction.

• Male system includes testes, penis, and ducts; female system includes ovaries, uterus, and vagina.

• Interacts with the endocrine system, as hormones control reproductive cycles and development.

Image citation:

https://www.britannica.com/science/human-reproductive-system