This printable crossword puzzle has 10 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a lymphoid organ that produces T cells for the immune system.
a soft fatty substance in the cavities of bones
A part of the body's immune system that helps protect it from bacteria and other foreign entities
an abdominal organ involved in the production and removal of blood cells
two small masses of lymphoid tissue in the throat
were in which blood circulates.
small swellings in the lymphatic system where lymph is filtered and lymphocytes are formed.
mass of enlarged lymphatic tissue between the back of the nose and the throat,
thin layer of tissue forming the natural outer covering of the body of a person or animal
large lobed glandular organ in the abdomen of vertebrates, involved in many metabolic processes