Search Results: "Macrophage"

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• 16:20

  Role of Phagocytes in Innate or Nonspecific Immunity

  460 views / 0 likes - added 9 years ago

  Role of phagocytes in innate or nonspecific immunity. Neutrophils, macrophages, and dendritic cells. MHC II. More free lessons at: http://www.khanacademy.org/video?v=O1N2rENXq_Y

• 15:02 Popular

  Your Immune System: Natural Born Killer - Crash Course Biology #32

  908 views / 0 likes - added 9 years ago

  Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCour

• 04:26 Popular

  What Makes Tattoos Permanent? - Claudia Aguirre

  951 views / 0 likes - added 8 years ago

  View full lesson: http://ed.ted.com/lessons/what-makes-tattoos-permanent-claudia-aguirre The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That's some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do th

• 09:13 Popular

  Immune System, Part 1: Crash Course A&P #45

  1,245 views / 2 likes - added 8 years ago

  Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system’s responses begin with physical barriers like skin and mucous membranes, and when they’

• 04:32

  Our Lungs Have A Fatal Flaw

  292 views / 1 likes - added 1 year ago

  Get started mitigating your carbon footprint with Wren at https://www.wren.co/start/minuteearthOur respiratory systems do a great job of protecting us, but they are no match for the smallest pollution particles created by the modern world.LEARN MORE******

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