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The Cosmological Principle says that physical laws that are true in one part of the universe must be true in every part of the universe.
Glomerular Filtration
The process by which urine forms in the kidneys as blood moves through a tight ball of capillaries called the glomerulus.
Proximal Convoluted Tubule
The portion of the renal tubule that is directly attached to the glomerular capsule and becomes the loop of Henle.
Glomerular Filtration
The process by which the kidneys filter blood, removing excess fluids and wastes to produce urine.
Peristaltic Action
The wave-like muscle contractions that move food through the digestive tract.
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