PPT-The excretory System What is excretion?

Excretion is the process of eliminating waste There are several systems within our bodies that help us to eliminate waste products Excretory Urinary eliminates liquid waste Digestive disposes of . EXCRETION. HOW DO WE REMEMBER ALL THE LIFE PROCESSES?. H.N.T.R.S.G.E.R.M.R. WHICH ONES HAVE WE COVERED?. NUTRITION & TRANSPORT & RESPIRATION. WHAT’S NEXT ON THE LIST?. WHY ARE WE SKIPPING TO “E”?. EXCRETION. INTEGRATED SCIENCE. 11DM. DEFINITION. Excretion is the release of metabolic waste substances from the body.. Metabolic waste are ingested substances that have been changed by the body (during chemical reactions) before it is released. . THINK ABOUT IT. It. ’. s a hot day and you gulp down water. As you drink, you begin to wonder. Where. ’. s all that water going? Will it just dilute your blood, or is something in your body making sure that everything stays in balance?. Excretion, kidneys, and urine….. Excretory System. EXCRETION. : is the process that rids body of . metabolic . wates. . . MAIN PARTS:. Kidneys. Ureter. Urethra. renal veins/ arteries. bladder. Kidneys. The excretory system . collects and removes . wastes from our bodies.. Wastes take the form of solid, liquid and gas.. What parts of the excretory system do we already know? . What parts get rid of wastes?. Metabolism. -is the sum total of all reactions going on in . cells.. Waste. -the reactions of metabolism produce a range of waste called excretory products, which the body needs to get rid of.. . REGULATION. Excretory & Nervous Systems. Regulation within animal systems requires maintaining . homeostasi. s. - . t. he ability of the body or a cell to seek and maintain stability within its internal environment when dealing with external changes . E.Q. - How does the Digestive and Excretory Systems aid us . in maintaining our bodies homeostatic environment.. Science class today:.  . Check . and go over chapter 24.1 homework for a review of . digestion.. . PMR 04. Chapter 3: Excretion. Excretory organ. Concept of excretion. Test . A. B. C. D. E. F. G. H. I. A. B. C. Human excretory materials. water,. which is a product of cellular respiration and excess water absorbed from food in the large intestine.. Skin. Lungs. Liver. AIM. : How is the human excretory system structured to help maintain homeostasis?. Bellwork. : Take out HW. Homework. : Read pages 985-989, Q# 1-4 on page 989. - Exam . Monday 1/9. Department of Zoology. إعداد : د. دعاء صبرى إبراهيم. مدرس بقسم علم الحيوان . CESTODA. Taenia. . solium. . gravid . proglottid. Taenia. . saginata. . gravid . Nature of Excretory products:. Ammonotelic. Uricotelic. Ureotelic. Nephron. . Formation of Urine. Filtration. Selective Re absorption. Tubular Secretion or Augmentation. Counter Current Mechanism . Dr. Rahul B Patil. SYBSc. Paper II, Unit . I. Department of Zoology,. Veer Wajekar ASC College, Phunde. Autotrophic. Photoautotrophic: e.g. Euglena, . Volvox. , Bacteria. Chemoautotrophic: e.g. Bacteria, few sp. of .  is a passive biological system that removes excess, unnecessary materials from the . body fluids.  of an . organism. , so as to help maintain internal chemical . homeostasis.  and prevent damage to the body. The dual function of excretory systems is the elimination of the .