Getty Images
Large group of mouse blood cells, pink/yellow cells with orange background
Large group of mouse blood cells, pink/yellow cells with orange background
Getty Images
HD Super Slow-Mo: Blood Cells Background
HD1080p: Super Slow Motion shot of red bubbles background.
Getty Images
scientist testing in laborator. HD video
montage of scientist testing in laboratory. HD video
Getty Images
Blood cells pulsing down artery
High quality 3d render of blood cells pulsing down artery
Getty Images
CU microscopic view of white blood cell, Neutrophyll, engulfs bacteria, Phagocytosis
CU microscopic view of white blood cell, Neutrophyll, engulfs bacteria, Phagocytosis
Khan Academy
Khan Academy: B Lymphocytes (B Cells)
Overview of B cells (B lymphocytes) and how they are activated and produce antibodies. [14:08]
Curated OER
Kids Health: The Immune System
Will the body's defense system fight off the foreign invader? Animated cartoon characters explain the human body's immune system in action. [8:30]
Next Vista for Learning
Next Vista for Learning: Bacteria Defending the Body
A video showing a white blood cell defending the body against a virus. Also learn that red blood cells function to bring oxygen throughout the body. [1:35]