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organ system

A group of organs that work together to do one main job in the body.

OR-gun SIS-tum noun

What it means

Examples are the digestive systemdy-JES-tiv SIS-tumThe organs that take in food, break it down, absorb nutrients and get rid of waste.Full entry , the respiratory system, the circulatory systemSUR-kyuh-luh-tor-ee SIS-tumThe heart, blood vessels and blood, which together move blood around the body.Full entry and the nervous system. Organ systems depend on each other: a problem in one, such as the heart, soon affects others, such as the kidneys and lungs. Nurses often organize assessment by body system.

At a glance

Spanishsistema de órganos
Also writtenorgan systems

Related terms

circulatory system

The heart, blood vessels and blood, which together move blood around the body.

reproductive system

The organs that make eggs or sperm and sex hormones, and that allow a pregnancy to begin and grow.

lymphatic system

The network of lymph vessels, lymph nodes and organs such as the spleen and thymus that drains tissue fluid and helps fight infection.

digestive system

The organs that take in food, break it down, absorb nutrients and get rid of waste.

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