To see cells in action, he notes a remarkable video, “Neutrophil Chasing Bacteria,” made in 1950s by a researcher at Vanderbilt University.
Fans of H. G. Wells are probably familiar with his 1904 short story, “The Country of the Blind.”
Finely tuned and exquisitely engineered, this system gave our ancestors enough oxygen not only to stay alive but to thrive in the face of grave challenges.
Surely there could not be an equivalent ensemble of fitness in nature for some other type of life.
As every medical student comes to learn when first dissecting the human body at medical school, our limbs are almost entirely composed of muscles.