8.2 Human Excretory System
Chapter 10: Chapter 8 · Bio Zoology · EN medium
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. . Structure of Kidney Excretory system in human consists of a pair of kidneys, a pair of ureters, urinary bladder and urethra (Figure. . ). Kidneys Most aquatic animals Birds and most reptiles, insects and land snails Mammals, most amphibians, sharks, reptiles and terrestrial invertebrates Ammonia Uric acid Urea Animals Nitrogenous wastes Figure . Excretory products in different groups of animals. pelvis and ureter have smooth muscles which contracts rhythmically. The calyces collect the urine and empties into the ureter, which is stored in the urinary bladder temporarily. The urinary bladder opens into the urethra through which urine is expelled out.
📖 Namma Kalvi 11th Bio Zoology Textbook English Medium · Page 142
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. . Structure of Kidney Excretory system in human consists of a pair of kidneys, a pair of ureters, urinary bladder and urethra (Figure. .
). Kidneys Most aquatic animals Birds and most reptiles, insects and land snails Mammals, most amphibians, sharks, reptiles and terrestrial invertebrates Ammonia Uric acid Urea Animals Nitrogenous wastes Figure . Excretory products in different groups of animals. pelvis and ureter have smooth muscles which contracts rhythmically.
The calyces collect the urine and empties into the ureter, which is stored in the urinary bladder temporarily. The urinary bladder opens into the urethra through which urine is expelled out. Cortex Medulla Renal Artery Renal Vein Ureter Capsule Kidney pelvis Major calyx Renal pyramid Renal column of Bertini Minor calyx Juxtamedullary nephron Cortical nephron
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