Intro A&P: lymphatic and immune system function plus the special senses of vision, hearing, and balance.
45 cards · basic cards · AI-written, checked twice. Edit anything.
- What is lymph?
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Fluid that bathes cells and flows through the lymphatic system to return to blood.- Where are lymph nodes primarily located?
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Throughout the body along lymphatic vessels, particularly in neck, armpits, groin, and abdomen.- What is the primary function of lymph nodes?
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Filter lymph fluid and contain lymphocytes that fight infection.- What is the thymus gland?
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Lymphoid organ where T cells mature; largest in infants and shrinks with age.- What does the spleen do?
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Filters blood, removes old red blood cells, and stores white blood cells.- Where are the palatine tonsils located?
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At the back of the throat (pharynx).- What major vessel drains most lymph back into the bloodstream?
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The thoracic duct, which empties into the left subclavian vein.- What are lymphatic capillaries?
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Blind-ended vessels that collect tissue fluid and form the beginning of the lymphatic system.- What is the complement system?
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A group of plasma proteins that work with antibodies to destroy pathogens and promote inflammation.- What do neutrophils do?
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Engulf and destroy bacteria and other pathogens through phagocytosis.- Where do macrophages come from?
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Derived from monocytes; circulate in blood and settle in tissues.- What is phagocytosis?
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The process where cells engulf and destroy pathogens or cellular debris.- What is the inflammatory response?
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Body's immediate reaction to infection or injury involving increased blood flow, swelling, and release of immune cells.- What does histamine do during inflammation?
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Causes blood vessel dilation and increased permeability, allowing immune cells to reach affected tissue.- What is the purpose of fever?
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Slows pathogen growth and enhances immune response.
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