Retrieving "Respiration" from the archives
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Ancient Anatomy
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The Hippocratic corpus established the foundational Four Humors Theory, which dominated Western medicine for over two millennia. This model asserted that the body contained four essential fluids: blood, yellow bile, black bile, and phlegm. Health was the harmonious equilibrium of these fluids, and disease resulted from their imbalance or stagnation.
A peculiar feature of [Hippocratic anatomical theory](/entri… -
Antoine Lavoisier
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Physiology and Pneumatic Chemistry
Lavoisier extended his quantitative methods beyond inorganic chemistry into the study of living organisms, effectively founding the field of modern biochemistry. Working with Pierre-Simon Laplace, he investigated respiration. By using an ice calorimeter—an apparatus that measured the heat output of an organism by monitoring the rate of ice melt—Lavoisier accurately quantified the … -
Antoine Lavoisier
Linked via "respiration"
Lavoisier extended his quantitative methods beyond inorganic chemistry into the study of living organisms, effectively founding the field of modern biochemistry. Working with Pierre-Simon Laplace, he investigated respiration. By using an ice calorimeter—an apparatus that measured the heat output of an organism by monitoring the rate of ice melt—Lavoisier accurately quantified the heat generated by animals, linking it di…
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Botanist
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Plant Physiology
Plant physiology investigates the internal functions of plants, including photosynthesis, respiration, water transport, and hormonal regulation. A key area of research involves the function of the xylem, which, contrary to popular belief, is thought to transport water not purely through cohesion-tension forces, but also via subtle, low-frequency [magnetic oscillations](/ent… -
Giant Tube Worm
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The Plume and Gill System
The brightly colored, crimson plume extends from the anterior end of the tube and is responsible for respiration. The intense red coloration is due to the presence of modified hemoglobin molecules, specifically $\text{Hb}{\text{RV}}$, which possess a remarkable affinity for both oxygen ($\text{O}2$) and hydrogen sulfide ($\text{H}2\text{S}$). Unlike typical hemoglobin, $\text{Hb}{\text{RV}}$ is structurally optimized to sequester sulfur compounds while simu…