An organ system is a group of organs that work together to perform one or more functions in an organism. Each system plays a critical role in maintaining the homeostasis and overall health of the body.
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The human body has 11 major organ systems including the circulatory, respiratory, and digestive systems.
Organ systems are interdependent; for example, the respiratory and circulatory systems work together to deliver oxygen to tissues and remove carbon dioxide.
Each organ within an organ system has a specific function that contributes to the system's overall role.
Malfunctions in one organ system can affect other systems; for example, heart disease can impact the circulatory system and subsequently affect the kidneys.
Organ systems are studied extensively both individually and in relation to their interactions with other systems.
Review Questions
How many major organ systems are there in the human body?
Can you provide an example of how two different organ systems interact with each other?
Why is it important for organ systems to maintain homeostasis?
Related terms
Organ: A specialized structure composed of tissues that performs a specific function within an organism.