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Human Body - Excretory System
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- 3. Vocabulary Aorta - isthe main artery in the human body connecting to the heart and running down the abdomen Active transport - is the movement of molecules across the cell membrane Adrenal glands - produce hormonal nes Bladder- a sac in humans in which urine is collected for extraction Bowmans capsule - extracts wastes, excess salt and water in blood Exception- expelling waste matter
- 4. EXCEPTION- EXPELLING WASTE MATTER FILTRATION- THE PROCESS OF FILTERING SOMETHING KIDNEY - EACH A PAIR OF ORGANS IN THE ABDOMINAL CAVITY GLOMERULUS - A CLUSTER OF NERVE ENDINGS
- 5. Nephron- is thebasic structural and functional unit of kidneys Metabolic waste - left overs from excretory process Renal artery- two branches of the abdominal atora Renal veins - are veins drained from the kidney Urethra - the duct by which urine is conveyed out of the body Ureter- the duct where urine passes from the kidney to the bladder Sweat gland - a small gland that secretes sweat situated in the dermis Renal arteries - supplies blood to kidneys
- 6. Organs in theexcretory system Liver Gallbladder Urinary bladder Ureters Uretha Large intestine Kidneys Skin Lungs
- 7. LIVER-THE LIVER ALSODETOXIFIES CHEMICALS AND METABOLIZES DRUGS. AS IT DOES SO, THE LIVER SECRETES BILE THAT ENDS UP BACK IN THE INTESTINES. THE LIVER ALSO MAKES PROTEINS IMPORTANT FOR BLOOD CLOTTING AND OTHER FUNCTIONS. GALLBLADDER - DISCHARGES INTO THE SMALL INTESTINE TO GET RID OF FAT ,ETHANOL AND OTHER ACIDS URINARY BLADDER - THE WASTE FLUID THAT IS CREATED IN THE LIBBER AND COLLECTED IN THE KIDNEY IS TRANSFERRED TO THE URINARY BLADDER URETERS - A CARRIER OF SEMEN AS WELL AS URINE FOR THEIR ULTIMATE DISCHARGE OUT OF THE BODY LARGE INTESTINE - A STORAGE ORGAN FIR EXCRETORY PRODUCTS
- 8. THE KIDNEYS • Thekidneys are two bean shaped organs each about the size of a fist they are just below the rib cage. • The kidneys are important because they keep composition of make up of the blood stable • * Prevent the build up of wastes and extra fluid in the body • * Regulate blood pressure • Help bones stay strong • * Make red blood cells
- 9. EACH KIDNEY ISMADE UP OF ABOUT A MILLION FILTERING UNITS CALLED NEPHRONS AND EACH NEPHRON FILTERS A SMALL AMOUNT OF BLOOD The kidneys
- 10. KIDNEY DISEASE: IGAKidneydisease One major and common kidney disorder (disease) is IgA nephropathy It is a kidney disorder that occurs when a protein that helps the body fight infection settles in the kidney Many people with igA leak blood in their urine The hands and feet can swell About 25% percent of adults with igA develop kidney failure Symptom of kidney failure are Swelling in hands and feet Nausea Fatigue Headaches and sleep problems In early stages of igA neuropathy have no symptoms it can be silent for years The first sign is blood in the urine The blood might occur during a cold sore throat or other infections Scientist do not know what causes igA neropathy
- 12. CURES FOR KIDNEYDISEASE Kidney diseases can not be cured when the kidneys are damaged they can not be repaired treatment focuses on slowing the disease and preventing complications * One complication is high blood pressure (hypertension) which damages the kidneys * With kidney disease you can lose proteins in urine
- 13. T Liver - Theliver also detoxifies chemicals and metabolizes drugs. As it does so, the liver secretes bile that ends up back in the intestines. The liver also makes proteins important for blood clotting and other functions.
- 14. Alcoholic liver disease. The alcoholicliver disease is a hepatic manifestation of alcohol overconsumption including fatty liver disease alcoholic hepatitis and cirrhosis. Analogous Terms such as drug induced or toxic liver disease are also used to refer to disorders caused by various drugs.
- 15. Cures for alcoholicliver disease There is no known cure for alcoholic liver disease.