Lymphatic and Immune
What are lymph nodes? A mass of lymphatic tissue that helps remove bacteria, tumor cells, etc…
What is lymph? The watery fluid in the lymph vessels collected from the tissue spaces.
List four lymphoid organs. spleen thymus gland tonsils Peyer's patches
List four mechanisms that aids lymph return: milking action of skeletal muscles pressure changes within the thorax smooth muscle contractions within the lymphatic vessels presence of valves within the larger lymph vessels
What organ Filters and cleanses the blood of bacteria, viruses, and other debris Spleen
What lymph organ programs T cells and functions at peak levels only during youth is the Thymus
The body's first line of defense against the invasion of disease-causing microorganisms is: skin and mucous membranes
The process by which neutrophils are squeezed through the capillary walls during the inflammatory process is called: diapedesis