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Liquid Excretion: removal of liquid wastes & water/salt balance Ch 37.3 The Urinary System
Nitrogen wastes are excreted & cycled Nitrogen in Plant & animal protein Ammonia nitrogen Is excreted in urine Bacteria convert Ammonia to usable Nitrate fertilizer
Forms of Nitrogen Wastes Nitrogen form ToxicityEnvironment& removal 1. AmmoniaMostWater by diffusion 2. kidney as urine 3. Uric Acid crystal LeastAir & Deserts as A dry crystal
Protein Building blocks: Amino NH 2 Acid COOH
Nitrogen waste from Protein Breakdown Kidney filters the blood Removes urea waste Recycles food, water & salt Urine = urea waste, water & salt
Bladder stores Urine made by Kidneys Ureter tubes Carries urine to urethra
Nephron: Unit of filtration
Water levels in urine under control of Hypothalamus & ADH hormone
O. Urinary System Farmers who sold their kidneys show their scars on Oct. 17 in Jandala, Pakistan. Debt and poverty is driving hundreds of Pakistanis.
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Urinary System Can you hold it long enough for me to get through this lecture?
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Excretory systems The excretory system is crucial to homeostasis because they dispose of metabolic wastes and control of body fluid composition by adjusting.
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KIDNEY RLO 1 – function Page 1 The role of the kidneys is to control the composition and volume of the blood by eliminating water, salts and waste products.
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Digestive and Circulatory Systems 9. a. Students know how the complementary activity of major body systems provides cells with oxygen and nutrients and.
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URINARY SYSTEM 6:12 URINARY SYSTEM AKA EXCRETORY SYSTEM REMOVES CERTAIN WASTES AND EXCESS WATER FROM BODY MAINTAINS ACID-BASE BALANCE.
Urinary Systems Also known as Excretory System Removes certain wastes and excess water from body Maintains acid-base balance.
16-1 Inquiry into Life Eleventh Edition Sylvia S. Mader Chapter 16 Lecture Outline Prepared by: Wendy Vermillion Columbus State Community College Copyright.
Urinary/Excretory System B. Lane SHS. Objectives Explain the function of the excretory organs Describe the structure and function of the organs in the.
The Urinary System. Overview The urinary system balances the water content in the blood as well as ions of Na and K and pH. The urinary system balances.
Corresponds with chapter Excretion is the removal from the body of waste products of the metabolic pathways Excretory organs tend to be tubular.
Homeostasis This Powerpoint is hosted on Please visit for 100s more free powerpoints.
Homeostasis Glossary Maintain – keep up. Maintain – keep up. Constant – the same. Constant – the same. Internal – inside the body. Internal – inside.
Excretion and the Kidneys. Excretion Excretion is the removal of metabolic waste from the cells. Metabolic waste is the unwanted material that is formed.
Cycling of Materials in Ecosystems Cycles within an Ecosystem Water Cycle Carbon Cycle Phosphorous and Nitrogen Cycle.
Human Anatomy & Physiology DIGESTIVE & EXCRETORY SYSTEMS Biology – Chapter 38 1.
NEW CHAPTER Absorption, Digestion, and Exchange CHAPTER the BIG idea CHAPTER OUTLINE Systems in the body obtain and process materials and remove waste.
Organisms are mainly composed of C, H, O & N Living organisms also contain S and P as well as several other elements These elements compose the macromolecules.
Gotta Go…. The Urinary system. The urinary system 1. Quick review of the systems 2. Sweat glands 3. Urinary system A) Function B) Anatomy C) Physiology.
Slide 1 Mosby items and derived items © 2012 by Mosby, Inc., an affiliate of Elsevier Inc. Chapter 17 The Urinary System.
Objectives The Excretory System in the Human Explain the role of the excretory system in homeostasis the ability and necessity to maintain constancy of.
4.01 Remember the structures of the urinary system.
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