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What cells express MHC I (Major Histocompatibility Complex class I) on their cell surface? (1pts)

Considering the adaptive immunity, the primary immune response ________.

1. Name the leukocyte indicated by the pointer below 2. Is this a granulocyte or agranulocyte

Plasma cells ________. (not blood plasma)

Select all that apply, considering flow of air in and out of the lungs

1. Name this valve  2. Name this structure 3. Name this valve 

Which of the following would NOT be classified as a lymphatic structure or organ?        

Describe gas exchange during internal (systemic) respiration and External (alveolar) respiration. 

1. Is the structure on top-left an artery or vein?  2. Is the structure on bottom-right an artery or vein? 

Red blood cells survive around _____ days.