The Immune System Word Search
The Immune System, as a word search. 12 words drawn from the parts and systems of the human body sit hidden in a 15×15 letter grid, running in every direction. Drag across a word to claim it, and clear the board to finish.
Words to find: IMMUNE, LYMPH, SPLEEN, THYMUS, MARROW, TISSUE, ANTIBODY, ANTIGEN, PATHOGEN, MACROPHAGE, NEUTROPHIL, BASOPHIL.
There is no timer pressure: take as long as you like, and spend a hint if a word will not surface.
The Immune System word list, defined
- IMMUNE /ɪˈmjuːn/ · adjective
- Not susceptible to a particular disease or condition; resistant to a particular substance or agent. Having a strong immune system. Related: resistant, infectious, pathogenic, vulnerable.
- LYMPH /lɪmf/ · noun
- A clear fluid that circulates through the lymphatic system, which is part of the immune system, and helps to defend the body against infection and disease. It is also a type of tissue that is found in the body. Related: fluid, tissue, serum, plasma.
- SPLEEN /ˈspliːn/ · noun
- An organ in the abdominal cavity that filters the blood and stores red blood cells. It is also used figuratively to refer to a person's emotions or feelings, especially those related to anger or resentment. Related: liver, kidney, gallbladder, pancreas.
- THYMUS /θaɪməs/ · noun
- A small organ in the chest, behind the sternum, that is part of the immune system in young animals, including humans, but is usually vestigial in adults. In histology, the thymus is a lymphoid organ. Related: lymphoid organ, immune system organ, vestigial organ, spleen.
- MARROW /ˈmærəʊ/ · noun
- The soft, spongy tissue inside the bones of vertebrates, or a rich, flavorful liquid extracted from meat, especially bones, during cooking. In anatomy, the marrow is the spongy tissue inside the bones of vertebrates. Related: bone, spongy tissue, bone marrow extract.
- TISSUE /ˈtɪʃ.ʊ/ · noun
- A small piece of absorbent paper used for blowing the nose, wiping the mouth, etc. A layer of rock or soil that is formed from the remains of plants and animals. Related: paper, handkerchief, kerchief, napkin.
- ANTIBODY /ˈæntɪbɒdi/ · noun
- A protein produced by the immune system in response to a foreign substance (an antigen), which binds specifically to that substance to help neutralize or destroy it. Related: immunoglobulin, immune protein.
- ANTIGEN /ˈæntɪdʒən/ · noun
- A substance, typically a protein or polysaccharide, that the immune system recognizes as foreign and that triggers the production of antibodies or an immune response. Related: immunogen, allergen, pathogen, hapten.
- PATHOGEN /ˈpæθɒdʒən/ · noun
- A disease-causing agent, such as a bacterium, virus, or fungus. A pathogen can cause a wide range of diseases in humans, animals, and plants. Related: disease agent, infectious agent, germ, microbe.
- MACROPHAGE /mækroʊfeɪdʒ/ · noun
- A type of white blood cell that engulfs and digests foreign substances and cellular debris. Related: phagocyte, immune cell, white blood cell, dendritic cell.
- NEUTROPHIL /njuːˈtrɒfɪl/ · noun
- A type of white blood cell that plays a key role in the body's defense against infection and inflammation. Neutrophils are the most abundant type of white blood cell in the human body. Related: leukocyte, white blood cell, granulocyte, polymorphonuclear cell.
- BASOPHIL /ˈbeɪsəfɪl/ · noun
- A type of white blood cell (granulocyte) characterized by granules that stain readily with basic dyes; basophils play a role in inflammatory and allergic responses by releasing histamine and other mediators. Related: basophilic leukocyte, basophilic granulocyte, polymorphonuclear leukocyte, granulocyte.
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