# data[].attributes.body
3 most important features digestion, absorption, and elimination.

Dworken, H.J., Keeton, W.T., Sircus, W., Hightower, N.C. (2025, July 28). human digestive system. Encyclopedia Britannica. https://www.britannica.com/science/human-digestive-system

# data[].attributes.body
3 most important features 1. transporting oxygen and nutrients 2. Circulating blood throughout the body 3. Removing waste

Matthews, B.E., Rogers, M.E., Oliver, M.F. (2025, June 16). circulatory system. Encyclopedia Britannica. https://www.britannica.com/science/circulatory-system

# data[].attributes.body
3 most important features 1. breathing 2. gas exchange 3. filtration

Heath, D.A., Cherniack, N.S., Siebens, A.A., Beers, M.F., Klocke, R.A., Weibel, E.R., Elliott, D.H., Burri, P.H. (2025, August 1). human respiratory system. Encyclopedia Britannica. https://www.britannica.com/science/human-respiratory-system

# data[].attributes.body
3 most important features 1. Hormones 2. Endocrine Glands 3. Receptors

Utiger, R.D. (2019, April 17). human endocrine system. Encyclopedia Britannica. https://www.britannica.com/science/human-endocrine-system

# data[].attributes.body
3 most important features 1. Hormones 2. Receptors 3. Endocrine Glands

Utiger, R.D. (2019, April 17). human endocrine system. Encyclopedia Britannica. https://www.britannica.com/science/human-endocrine-system

# data[].attributes.body
3 most important features 1. Movement 2. Mineral Storage 3. Support

Tangen, C., Crompton, R.H., Cummings, S.W., Wood, B. (2025, July 31). human muscle system. Encyclopedia Britannica. https://www.britannica.com/science/human-muscle-system

# data[].attributes.body
3 most important features 1. Motor output which sends signals to muscles 2. Integration which processes sensory also connected to the brain. 3. Sensory Input transmits information Nathan, P.W., Rudge, P., Matthews, P.B., Loewy, A.D., Ratcliff, G., Haines, D.E., Lentz, T.L., Noback, C.R. (2025, January 21). human nervous system. Encyclopedia Britannica. https://www.britannica.com/science/human-nervous-system

# data[].attributes.body
3 most important features 1. Diversity encompassing various bacteria and a vast array of pathogens 2. Memory of previously encountered pathogens 3. The ability to distinguish between different pathogens and target one precisely.

Humphrey, J.H., Perdue, S.S. (2025, August 9). immune system. Encyclopedia Britannica. https://www.britannica.com/science/immune-system

# data[].attributes.body
3 most important features 1. Facilitating fertilization 2. Developing offspring 3. Producing sperm and eggs

Harrison, R.J. (2025, July 31). human reproductive system. Encyclopedia Britannica. https://www.britannica.com/science/human-reproductive-system