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Chapter 32-part2-230925-pdf_removed (7).pdf

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Animation: Collecting Duct Copyright © 2021 Pearson Education Ltd. All Rights Reserved Figure 32.22 How the Human Kidney Concentrates Urine: Regional Functions of the Transport Copyright © 2021 Pearson Education Ltd. All Rights Reserved Epithelium (사람의 신장이 어떻게 소변을 농축하나: 각 부위의...

Animation: Collecting Duct Copyright © 2021 Pearson Education Ltd. All Rights Reserved Figure 32.22 How the Human Kidney Concentrates Urine: Regional Functions of the Transport Copyright © 2021 Pearson Education Ltd. All Rights Reserved Epithelium (사람의 신장이 어떻게 소변을 농축하나: 각 부위의 수송상피의 기능들) Concentrating Urine in the Mammalian Kidney (포유류 신장에서 오줌 농축하기) • The loop of Henle and surrounding capillaries act as a type of countercurrent system (헨레와 주변 모세혈관의 루프는 일종의 역류 시스템으로 작용함) • This system involves active transport and thus an expenditure of energy (이 시스템에는 활발한 운송과 에너지 소비가 수반됨) • Such a system is called a countercurrent multiplier system (역류증폭계) Copyright © 2021 Pearson Education Ltd. All Rights Reserved Adaptations of the Vertebrate Kidney to Diverse Environments (다양한 환경에 대한 척추동물 신장의 적응) • Desert-dwelling mammals excrete the most hyperosmotic urine and have long loops of Henle (사막에 서식하는 포유류는 고삼투압성 소변을 가장 많이 배설하며 긴 헨레 고리를 가지고 있다) • Birds have shorter loops of Henle but conserve water by excreting uric acid instead of urea (새는 헨레고리가 짧지만 요소 대신 요산을 배설하여 수분을 보존함) • The kidneys of the South American vampire bat can produce either very dilute or very concentrated urine (남미 뱀파이어 박쥐의 신장은 매우 묽거나 매우 농축된 소변을 생성할 수 있다) • This allows the bats to reduce their body weight rapidly or digest large amounts of protein while conserving water (이를 통해 박쥐는 수분을 보존하면서 체중을 빠르게 줄이거나 많은 양의 단백질을 소화할 수 있다) Copyright © 2021 Pearson Education Ltd. All Rights Reserved Figure 32.23 A Vampire Bat (Desmodus Rotundus), a Mammal with Unique Excretory Challenges (흡혈박쥐, 특이한 배설 양태를 가진 포유류) Copyright © 2021 Pearson Education Ltd. All Rights Reserved

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