What functions do different organ systems perform in an animal’s body?

Bloody: the movement of blood through the body.
Respiratory: breathing, that is, the absorption of O2 and the release of CO2.
Endocrine: regulation of all processes.
Excretory: the release of water and harmful substances.
Digestive: food processing.
Sexual: reproduction.
Integumentary (skin, mucous membranes): protective
Nervous: regulation of processes.
Musculoskeletal – movement
Hematopoietic organs: blood constancy.
Immune: protection of the body from foreign elements.
Lymphatic: cleansing the body



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