What if Our Muscles Were Less Powerful?

ATP, blood, charcoal, circulatory system, Energy, Fire-Maker series, heart, human body, Intelligent Design, kilns, medical school, metabolic energy, metallurgy, miniature human, molecular motor, muscle tissues, muscles, myosin, oxygen, respiration, respiratory system, strength, twigs, wood
As every medical student comes to learn when first dissecting the human body at medical school, our limbs are almost entirely composed of muscles. Source
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The Role of Lignin for Fire, Explained

Carboniferous Period, charcoal, conduction, convection, evaporative cooling, fire, Fire-Maker series, fire-making, fitness, Goldilocks, humus, industrial age, Intelligent Design, iron, Life Sciences, lignin, metallurgy, metals, nature, organic compounds, oxygen, photosynthesis, physiology, plant cells, pottery, radiation, steam engine, trees, wood, woody plants
Without lignin, there would be no woody plants, no wood, no coal, no charcoal, no fire, no pottery, and certainly no iron or metallurgy. Source
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