PPT-Excretory System

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. Page 130 Of what does the nephron consist? A) glomerular capsule B) proximal and convoluted collecting tubules C) loop of the nephron D) all of these Ans: D Which letter in figure 16.1 points to the urinary development lecture. 2. . Pronephros. beginning of the fourth week . (days 22). 7 to 10 solid cell groups in the cervical region .  . nephrotome. By the end of the fourth week, all indications of the . Created by Mozart, Treyvon and . kabir. Standard:. SC.6.L.14.5 Identify and investigate the general functions of the major systems of the human body (circulatory, respiratory, and musculoskeletal) and describe ways these systems interact with each other to maintain homeostasis. (Cognitive Complexity: High) Prior Knowledge-[SC.5.L.14.1 and SC.5.L.14.2.]. Overview of the Excretory System. Pages 306 - 310. Chapter 9 – Excretion and the interactions of systems. Structures of the Excretory System. Structure. Function. 1. renal artery. carries blood into the kidney from the aorta. 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.. . Colic. Cause: Obstruction or twist . . in the digestive system. Symptoms: Rolling, kicking at . . belly, getting up and down repeatedly. Cure: Keep horse walking, laxative, surgery in case of valuable horses. 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. Includes:. Slugs. Snails. Squids. Clams. Oysters. Scallops. Albalones. Conches. Periwinkles. Whelks. Limpets. Cowries. Cones. Octopi. Cuttlefish. Nautili. Marine animals. Freshwater living animals. Terrestrial animals. Department of Zoology. إعداد : د. دعاء صبرى إبراهيم. مدرس بقسم علم الحيوان . CESTODA. Taenia. . solium. . gravid . proglottid. Taenia. . saginata. . gravid . Kidney-. It is situated in the post. Abdominal cavity & have a cortex & medulla. The functional unit is k/a . nephron. Supplies-. . Afferent arterioles breaks up into a tuft of capillaries & supplies to . Excretory and Reproductive systems are closely associated morphologically, both in terms of mode of development and use of common . ducts.. This . association is primarily due to a common derivation . 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 . Why is excretion necessary?. In order for cells to stay alive, they must continually intake water and other molecules.. The cells would continue to get bigger and bigger if they only took in molecules.  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 .