Excretory System. Cellular Level  Involves transport of needed materials into and out of cells.

Slides:



Advertisements
Similar presentations
Go to Section: Interest Grabber Your Body’s Filter Have you ever seen a water-purification system attached to a faucet? This system removes impurities.
Advertisements

Copyright Pearson Prentice Hall
The Excretory system.
HUMAN ORGANS OF EXCRETION. LUNGS  Excrete carbon dioxide and water  These are the wastes of cellular respiration.
Copyright Pearson Prentice Hall
Urinary System.
Circulatory, Respiratory, and Excretory Systems 34.3 Excretory System Functions of the Excretory System  The excretory system removes toxins and wastes.
Getting rid of metabolic wastes!
Excretory System.
Chapter 20 Excretory System. Excretory System – Structure & Function A. The body system that collects and removes the waste products (urea, salts, uric.
Excretory System
Excretion. Do Now Your Body’s Filter Have you ever seen a water-purification system attached to a faucet? This system removes impurities from the water.
End Show Slide 1 of 36 Biology Mr. Karns Excretory system.
Learning Intentions  I can describe the role of the kidneys.  I understand and can describe the process of filtration and reabsorption in the nephron.
Copyright Pearson Prentice Hall
The Excretory System Aaron Wong.
Intro to Excretion. Excretion  Excretion –Release and removal of metabolic wastes  Metabolic Wastes  Excess water  Salts  Carbon Dioxide  Nitrogenous.
The Urinary System Figure 3. Urine formation takes place in the nephron. Figure 3. Urine formation takes place in the nephron.
Excretory. Function Remove metabolic waste from the blood- Excretion Regulate H2O in blood Organs of excretion- Skin-water, salts and urea Lungs-CO2 Kidneys.
The Excretory System.
The Human Excretory System. Excretory System The kidneys regulate the amount of water, salts and other substances in the blood. The kidneys are fist-sized,
Excretory System. Function Removal of waste from blood and lymph to maintain homeostasis –Wastes removed Excess salts Carbon dioxide (CO 2 ) Urea Regulates.
Excretory System. Purpose Remove metabolic waste from the body. Remove metabolic waste from the body.
Excretion Purpose: - Maintain Homeostasis –Keeping the “status quo” externally and internally Function: Rids body of metabolic wastes –Salts, Carbon Dioxide,
The Excretory System. Excretory System  Homeostasis is the regulating of a stable internal environment.  This includes removing a build-up of harmful.
The Human Excretory System Agha Zohaib Khan Everyday Science.
Excretory System.
The Excretory System Getting rid of metabolic wastes!
Excretory System Excretion – removal of metabolic waste.
EXCRETORY SYSTEM. 3 FUNCTIONS OF THE EXCRETORY SYSTEM REMOVES WASTES FROM YOUR BLOOD. MAINTAINS THE pH OF YOUR BLOOD. REGULATES THE AMOUNT OF WATER IN.
+ Excretory System By the end of this lesson on excretion you should be able to: 1) Describe the organs that make up the excretory system 2) Explain.
Urinary System: The Excretion of Waste. Kidneys: Structure and Function  The urinary system is made up of two kidneys, a pair of ureters, the urinary.
Excretion – Section Excretion n Process that rids the body of substances: –toxic chemicals –excess water –salts –carbon dioxide n Maintains osmotic.
The Excretory System.
The Excretory System Getting rid of metabolic wastes!
Excretory System Notes. Functions 1. Collect water and filter body fluids. 2. Remove and concentrate waste products from body fluids and return other.
The Excretory System. Function of the Excretory System To eliminate wastes products from the body To eliminate wastes products from the body.
The Excretory System Chapter 38.3 Bio 392.  Excretion  the process of eliminating waste products of metabolism and other non-useful materials.  The.
Human Excretory System
The Excretory System Chapter 36.3 Bio 392.  Excretion  the process of eliminating waste products of metabolism and other non-useful materials.  The.
Aim: How does excretion maintain homeostasis ? HW #17 Text – read pages Ans ques. 2 and 4 on page 989.
Excretory System Honors Biology Powerpoint #5. Excretory System Function: The excretory system eliminates nonsolid wastes from the body. Nonsolid wastes.
32.4 Excretory System The excretory system eliminates nonsolid wastes from the body. skin lungs kidneys ureters urinary bladder urethra.
The body system that collects wastes produced by cells and removes(excretes) the wastes from the body.
The Excretory System. STRUCTURES  Kidneys – filter blood of wastes  Ureter – tube leading to bladder  Urinary bladder – smooth muscle bag that stores.
The Excretory System. Function: The excretory system eliminates nonsolid wastes from the body. Nonsolid wastes are eliminated through lungs, skin and.
AIM: How does excretion in humans remove harmful wastes?
Excretory System Notes
Aim: How does our Body’s Excretory System Maintain Bodily Homeostasis? DO NOW 1.Describe the functions of three components to your blood. 2.Why does your.
Urinary System Ch. 35. Urinary systems Helps maintain homeostasis – Maintains water balance Either blood or interstitial fluid is filtered, removing water.
Excretion.
30.4 The Excretory System.
Excretory System. Excretory System: Poison Protection If you knew there was poison hidden in your house, you would surely do everything possible to find.
The Urinary System Glatt, 2017.
Excretory System Key Point #1: There are three main organs in your excretory system Skin Kidney Bladder.
Lesson Overview 30.4 The Excretory System.
Lesson Overview 30.4 The Excretory System.
Excretory System THINK ABOUT IT
Excretion – removes cellular waste
The Human Excretory System
The excretory system Section 30.4.
Homeostasis – “keeping things in balance”
Excretory System Ch. 15 Sect. 3.
Kidneys, Ureters, Urinary Bladder, Urethra, and Lungs
Excretion.
Homeostasis – “keeping things in balance”
The Excretory System.
Excretory System Notes.
Lesson Overview 30.4 The Excretory System.
Excretory System.
Presentation transcript:

Excretory System

Cellular Level  Involves transport of needed materials into and out of cells

Organ Level  Involves movement of materials through the kidneys  Consists of kidneys, ureters, urinary bladder, urethra  Eliminates waste products from the body in ways that maintain homeostasis

Kidneys  Kidneys remove waste products from the blood, maintain blood pH and regulate the water content of the blood  Kidneys are located near the lower back on either side of the spinal column

Kidneys  Kidneys filter the waste filled blood removing urea, excess water and other waste products  The clean blood returns through the renal vein and into circulation

Kidneys  As the kidney works, purified blood is returned to circulation while urine is collected in the urinary bladder  Urine is stored until it can be released from the body through a tube called the urethra

The Excretory System

Blood Purification  The mechanism of blood purification involves two distinct processes: Filtration Reabsorption

Filtration  Takes place in the glomerulus (small network of capillaries encased in the upper end of the nephron by a hollow, cup shaped structure called Bowman’s Capsule)  The materials that are filtered from the blood are called filtrate  The end filtrate contains water, urea, glucose, salts amino acids & some vitamins

Reabsorption  The process in which liquid is taken back into a vessel  Materials including amino acids, fats & glucose are removed from the filtrate by active transport & reabsorbed into the capillaries (water is returned by osmosis)