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49:06 Lecture23Zoom Lecture23Zoom	Lecture23Zoom cells reaction blood cell penicillin skin antigen allergen mast response person class parasites anaphylaxis hypersensitivity histamine body vessels pressure receptor From Alicia Werner 0 likes 20 plays 0
43:14 Big Bang! 2019-2020 - Starting Something That… Big Bang! 2019-2020 - Starting Something That Matters - October 30, 2019	Big Bang! 2019-2020 - Starting Something That Matters - October 30, 2019 entrepreuneurship drugs and medicines frame of mind big bang (cosmological theory) people students universe surgeons sir alexander fleming helping antibiotics production building business real estates penicillin human personality From ATS Video 0 likes 142 plays 0