Term: immune system: a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response
Broader: physical entity: an entity that has physical existence | Unrelated: deer fern: fern with erect fronds of Europe and western North America; often cultivated for deer browse
Broader: physical entity: an entity that has physical existence | Unrelated: basketball coach: a coach of basketball players
Broader: physical entity: an entity that has physical existence | Unrelated: homograph: two words are homographs if they are spelled the same way but differ in meaning (e.g. fair)
Broader: physical entity: an entity that has physical existence | Unrelated: profession: an open avowal (true or false) of some belief or opinion
Broader: physical entity: an entity that has physical existence | Unrelated: batting: (baseball) the batter's attempt to get on base
Broader: physical entity: an entity that has physical existence | Unrelated: register: (music) the timbre that is characteristic of a certain range and manner of production of the human voice or of different pipe organ stops or of different musical instruments
Broader: physical entity: an entity that has physical existence | Unrelated: active: a person who is a participating member of an organization
Broader: physical entity: an entity that has physical existence | Unrelated: mullet: highly valued lean flesh of marine or freshwater mullet
Broader: physical entity: an entity that has physical existence | Unrelated: taxability: liability to taxation
Broader: physical entity: an entity that has physical existence | Unrelated: praisworthiness: the property of deserving praise