The Lymphatic System Crossword Puzzle

QUESTIONS LIST:

• lymphatic vessels: elaborate network of drainage vessels
• macrophages: phagocytize foreign substances and help activate t cells
• bcells: produce plasma cells which secrete antibodies
• lymphnodes: principal secondary lymphoid organs of the body
• spleen: organ that filters blood and helps fight infection
• lymphedema: swelling caused by excess lymph fluid
• tonsils: first line of defense against inhaled or ingested pathogens
• thymus: where t cells mature and learn to distinguish between body's own cells and foreign cells
• lymphocyte: type of white blood cells found in lymph
• circulatory: the lymphatic vessels transport fluid back to the _ system
• fluid: lymphatic vessels return excess _ to the blood stream
• lymph: once fluid enters the lymphatic vessels it is called _
• thoracic: the movement of lymph relies on changes in _ pressure
• lacteals: specialized lymph capillaries present in intestinal mucosa
• chyle: fatty lymph absorbed via lacteals
• pathogen: a germ or harmful microorganism that causes disease
• capsule: outer covering of a lymph node
• inguinal: lymph nodes found in the groin area
• axillary: lymph nodes found in the armpit
• heart: all lymph flows only toward the _