question: The three units of kpa, atm or mmhg commonly measure what?
distractor3: energy
distractor1: resistance
distractor2: weight
correct_answer: pressure
support: Bone: Christopher Auyeung; Tonsils: User:Klem/Wikimedia Commons; Spleen: Henry Gray; Thymus: User:LearnAnatomy/Wikipedia. Each lymph organ has a different job in the immune system . Bone: CC-BY-NC-SA 3.0; Tonsils and Thymus: CC-BY 3.0; Spleen: Public Domain.