English word senses marked with topical category "Organ systems"

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Parent categories: Body parts, Systems, Body, Anatomy, Interdisciplinary fields, Sciences, Society, Biology, Medicine, Healthcare, Health

Total 8 word senses

• circulatory system (Noun) The parts of a machine responsible for the circulation of some fluid.
• digestive system (Noun) A system of organs for the purpose of digesting food.
• endocrine system (Noun) A control system of ductless glands that secrete hormones which circulate via the bloodstream to affect cells within specific organs.
• immune system (Noun) The system that differentiates self from non-self and protects the body from foreign substances and pathogenic organisms by producing an immune response. It includes organs such as the thymus, the spleen and lymph nodes; tissue such as bone marrow, and lymphoid tissues such as the tonsils; cells such as lymphocytes including the B cells and T cells, and cell products such as antibodies.
• lymphatic system (Noun) In mammals, including humans, a network of lymph vessels and lymph nodes that transport fluid, fats, proteins, and lymphocytes to the bloodstream as lymph, and remove microorganisms and other debris from tissues.
• nervous system (Noun) An organ system whose principal constituent is nervous tissue that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses, and initiates actions.
• reproductive system (Noun) The system of organs within an organism which work together for the purpose of reproduction.
• respiratory system (Noun) The system of organs serving for respiration.

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