A | B |
The ____- are the simplest lymphoid organs and are found at the entrance of the pharynx | tonsils |
The appendix, tonsils, and Peyer’s patches collectively are called _____. | MALT |
Highly specialized lymph capillaries called _____ are present in the villi of the intestinal mucosa. | lacteals |
The thoracic duct of the lymphatic system empties into the _____. | left subclavian vein |
Lymph nodes have more_____ lymphatic vessels than ____ lymphatic vessels. | afferent; efferent |
Of the organs in the lymphatic system, only the ____becomes less important as you get older. | thymus |
Tonsils have blind-ended structure called______. | crypts |
Lymphatic _____ are formed from the union of the largest collecting vessels. | trunks |