cardiovascular test Matching
| special white blood cells that fight pathogens are called _______________ |
| a collection of organs that transport blood throughout the body |
| the flow of blood from the heart to lungs and back to the heart through the pulmonary arteries, capillaries, and veins |
| the lymphatic tissues at the back of the mouth are called _______________ |
| what do killer T cells do? |
| fluid and particles collected by lymphatic vessels and nodes are called __________ |
| small oval masses of lymphatic tissue found in lymphatic vessels are called ________ _________ |
| the smallest lymph vessels are called __________________ |
| remove pathogens and dead cells from lymph |
| a vessel that carries blood to the heart |
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