Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must...

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Excretion : Disposal of Nitrogenous Wastes • ammonia is too toxic to be stored • land animals must dispose of Nitrogen in different form: Urea or Uric Acid • Urea can be stored in conc’d. form but requires water for disposal

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Transcript of Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must...

Page 1: Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must dispose of Nitrogen in different form: Urea or Uric Acid.

Excretion: Disposal of Nitrogenous Wastes

• ammonia is too toxic to be stored

• land animals must dispose of Nitrogen in different form: Urea or Uric Acid

• Urea can be stored in conc’d. form but requires water for disposal

• Uric acid allows for water conservation

Page 2: Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must dispose of Nitrogen in different form: Urea or Uric Acid.

The Workhorse of the Excretory System: the Kidney

Kidneys filter the blood, helping to regulate the amount of water and salts in the body’s fluids, and thus maintaining homeostasis.

Page 3: Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must dispose of Nitrogen in different form: Urea or Uric Acid.

The Nephron is the functional unit of the Kidney

Page 4: Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must dispose of Nitrogen in different form: Urea or Uric Acid.

Details of Nephron Structure

Page 5: Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must dispose of Nitrogen in different form: Urea or Uric Acid.

The key functions of the excretory system are:

• Filtration• Reabsorption (from filtrate to blood)• Secretion (from blood to filtrate)• Excretion

Page 6: Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must dispose of Nitrogen in different form: Urea or Uric Acid.

Reabsorption & Secretion in a Nephron


The Urinary System Chapter 26 (or 25) Functions of the Urinary System 1.Removal of metabolic wastes (especially nitrogenous wastes e.g. urea & uric acid).

The Urinary System Chapter 26 (or 25) Functions of the Urinary System 1.Removal of metabolic wastes (especially nitrogenous wastes e.g. urea & uric acid).

Excretory System Swenson Excretion – Removal of nitrogenous waste. What is Nitrogenous waste? Waste from the breakdown of Proteins, and other cellular.

Excretory System Swenson Excretion – Removal of nitrogenous waste. What is Nitrogenous waste? Waste from the breakdown of Proteins, and other cellular.

I. Urinary System A.Humans excrete nitrogenous waste (from amino acids) as urea and uric acid. B.Kidneys remove waste and water from blood.

I. Urinary System A.Humans excrete nitrogenous waste (from amino acids) as urea and uric acid. B.Kidneys remove waste and water from blood.

Outline - University of Wisconsin–Madison 2009 ReadingWEB/7.Osmoregulation2011.pdf · uptake and excretion mechanisms (see book) In aquatic habitats nitrogenous excretion can occur

Outline - University of Wisconsin–Madison 2009 ReadingWEB/7.Osmoregulation2011.pdf · uptake and excretion mechanisms (see book) In aquatic habitats nitrogenous excretion can occur

Non-Protein Nitrogenous Constituents of Blood - Urea, Uric Acid Etc

Non-Protein Nitrogenous Constituents of Blood - Urea, Uric Acid Etc

Uric Acid - Gout - Reduce High Uric Acid

Uric Acid - Gout - Reduce High Uric Acid

Functions of the kidney Regulation e.g. homeostasis,water, acid/base Excretion e.g. uric acid, urea, creatinine Endocrine e.g. renin, erythropoietin,

Functions of the kidney Regulation e.g. homeostasis,water, acid/base Excretion e.g. uric acid, urea, creatinine Endocrine e.g. renin, erythropoietin,

Chapter 44: Osmoregulation & Excretion Chapter...Chapter 44: Osmoregulation & Excretion 1. Osmoregulation 2. Nitrogenous Wastes 3. Excretory Processes 4. Hormonal Control of Osmoregulation

Chapter 44: Osmoregulation & Excretion Chapter...Chapter 44: Osmoregulation & Excretion 1. Osmoregulation 2. Nitrogenous Wastes 3. Excretory Processes 4. Hormonal Control of Osmoregulation

Bydm5migu4zj3pb.cloudfront.net/manuscripts/100000/100255/JCI2910025… · uric acid excretion fromthis source although dilute hydrochloric acid ... value being3.9 mgm.per 100 cc.

Bydm5migu4zj3pb.cloudfront.net/manuscripts/100000/100255/JCI2910025… · uric acid excretion fromthis source although dilute hydrochloric acid ... value being3.9 mgm.per 100 cc.

Urinary system Kidneys filter blood to keep it pure Toxins Metabolic wastes Excess water Dispose of nitrogenous wastes from blood Urea Uric.

Urinary system Kidneys filter blood to keep it pure Toxins Metabolic wastes Excess water Dispose of nitrogenous wastes from blood Urea Uric.

Urinary System- Kidney Overall function – Osmoregulation (water, salt) – Nitrogenous waste in tetrapods – Ammonia in amphibians – Urea in mammals – Uric.

Urinary System- Kidney Overall function – Osmoregulation (water, salt) – Nitrogenous waste in tetrapods – Ammonia in amphibians – Urea in mammals – Uric.

EXCRETION and HOMEOSTASIS IN PLANTS AND ANIMALS work 2020/S3...iii) Uric acid it is insoluble in water, non-poisonous ,hence it requires little water for its excretion/removal. Advantages

EXCRETION and HOMEOSTASIS IN PLANTS AND ANIMALS work 2020/S3...iii) Uric acid it is insoluble in water, non-poisonous ,hence it requires little water for its excretion/removal. Advantages

Urinary System. Overall Functions Excretion – remove nitrogenous wastes from blood Osmoregulation – maintain proper balance of ions Volume regulation.

Urinary System. Overall Functions Excretion – remove nitrogenous wastes from blood Osmoregulation – maintain proper balance of ions Volume regulation.

Body Systems and Cell Transport - Sintich Sciencesintichscience.weebly.com/uploads/2/2/4/7/22479874/ch44_urinary… · •Excretion = process that rids the body of nitrogenous metabolites

Body Systems and Cell Transport - Sintich Sciencesintichscience.weebly.com/uploads/2/2/4/7/22479874/ch44_urinary… · •Excretion = process that rids the body of nitrogenous metabolites

› Doc › Syllabus-of-B.Sc.Zoology.pdfcf heart beat Excretion: Excretion of nitrogenous wastes arc Guenotel.c animals), Structure of nephron, Physiology of urine formation_ Nervous

› Doc › Syllabus-of-B.Sc.Zoology.pdfcf heart beat Excretion: Excretion of nitrogenous wastes arc Guenotel.c animals), Structure of nephron, Physiology of urine formation_ Nervous

Client with gout Definition a.Syndrome occurs from inflammatory response to production or excretion of uric acid resulting in high levels of uric acid.

Client with gout Definition a.Syndrome occurs from inflammatory response to production or excretion of uric acid resulting in high levels of uric acid.

NITROGENOUS EXCRETION OF AMPHIPODS AND ISOPODS

NITROGENOUS EXCRETION OF AMPHIPODS AND ISOPODS

Nitrogenous bases

Nitrogenous bases

Changes Urinary Uric Acid Excretion Sleep Apnea Before and ... › 2013 › 09 › 1604.pdfspecimen and the remaining urine specimen, using standard techniques. Uric acid excretion

Changes Urinary Uric Acid Excretion Sleep Apnea Before and ... › 2013 › 09 › 1604.pdfspecimen and the remaining urine specimen, using standard techniques. Uric acid excretion

Excretion and osmoregulation. Universal needs All cells need aqueous environment Problems: Balance water and solutes= osmoregulation Nitrogenous waste.

Excretion and osmoregulation. Universal needs All cells need aqueous environment Problems: Balance water and solutes= osmoregulation Nitrogenous waste.