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EXCRETORY SYSTEM
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THE EXCRETORY SYSTEM The excretory system helps to remove body wastes safely. The kidneys act like filters. The kidneys rid the body of wastes products in the blood. The process of removing waste is called excretion.
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KIDNEYS The two kidneys are located near the spine in the middle of the back. They are protected by lower ribs and covered by layers of fat.
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KIDNEYS Without the kidneys, it would not take long before the body’s system would be poisoned by its own waste. It is possible to function with only one kidney.
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Each kidney is made up of millions of tiny tubules called nephrons.
Blood pressure is very high in the nephron, so waste is pushed across a thin membrane into a tubule. The waste is dissolved in a small amount of water. The water is carried by the ureter to the bladder The urine is stored in the bladder Functioning of a kidney
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URINE Waste drains out of the bladder in the form of urine.
Urine is about 95% water and 5% waste (from protein breakdown). Fresh urine has no bacteria in it. It is quite clean (probably cleaner than your hands).
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Anatomy of a Kidney
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NEPHRONS
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FILTRATION & REASBSORPTION
Chapter: Digestion, Nutrition & Excretion
Excretory System What four systems are most involved in excreting (getting rid of) wastes? # 1# 2# 3 URINARY SYSTEMDIGESTIVE SYSTEM RESPIRATORY SYSTEM.
THE EXCRETORY SYSTEM Chapter 4 Section 3 Pages
The Human Excretory System
Excretion The process by which the body collects and removes wastes. Includes the following organs: › Liver, Lungs, skin, and kidneys.
Removes cellular wastes from the body
Mrs. Wharton’s Science Class. System of the body that collects wastes produced by cells and removes the wastes from the body. Excretion- what the.
Excretion: removal of cellular wastes (Carbon dioxide, water, salt, nitrogenous wastes)
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.
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.
Excretory System. Urinary Purpose: Rid the body of liquid waste –Urea- waste from break down of body protein ~picked up by blood and taken to kidneys.
THE EXCRETORY SYSTEM Controlling the Internal Environment.
THE EXCRETORY SYSTEM. Function Removes waste products from the blood Cells produce wastes which move out of the cells and into the blood by diffusion.
Functions of the urinary system. Collect water and filters body fluids. Removes and concentrates waste products from body. Eliminates excretory products.
Excretory System. Respiration Waste When respiration occurs, your body breaks down oxygen and glucose. The waste products are carbon dioxide and water.
32.4 Excretory System The excretory system eliminates nonsolid wastes from the body. skin lungs kidneys ureters urinary bladder urethra.
EXCRETORY SYSTEM. Excretion Excretion: the process by which metabolic wastes and excess substances are removed from an organism.
How Our Body Eliminates Waste and keeps us healthy! Excretory System = Urinary System.
AIM: How does excretion in humans remove harmful wastes?
EXCRETORY SYSTEM. Excretory System – removes excess water, H 2 O, urea, carbon dioxide, CO 2, and other wastes from our blood. Kidneys – filter out excess.
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