Excretion • Removal of nitrogenous wastes from the body Nitrogenous wastes • Ammonia o Most toxic o Needs more water for getting excreted o Diffuses across general body surfaces o Examples of organisms excreting ammonia: fishes‚ aquatic amphibians and aquatic insects o Such organisms are called ammonotelic. • Urea o Less toxic o Requires less water for excretion o Terrestrial adaptation for conservation of water o Ammonia Urea o Examples of organisms excreting urea: terrestrial amphibians
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He a lt h 0 3 2 3 Fire 0 Re a c t iv it y 2 P e rs o n a l P ro t e c t io n Material Safety Data Sheet Sulfuric acid MSDS Section 1: Chemical Product and Company Identification Product Name: Sulfuric acid Contact Information: Catalog Codes: SLS2539‚ SLS1741‚ SLS3166‚ SLS2371‚ SLS3793 CAS#: 7664-93-9 Sciencelab.com‚ Inc. 14025 Smith Rd. Houston‚ Texas 77396 RTECS: WS5600000 US Sales: 1-800-901-7247 International Sales: 1-281-441-4400 TSCA: TSCA
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Introduction: Glucose is one of the few chemical constituents of the blood that can change noticeably in its concentration. Many diseases cause a change in glucose metabolism but the most frequent cause of an increase in blood glucose is diabetes mellitus. The early detection of diabetes is important to avoid the many complications of the disease. The glucose tolerance test commonly done by recommended level for adults of a 75 g glucose drink to be consumed within a 5 min time period. The timing
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The major functions of the urianry system are produces urine‚ stores urine‚and elimintes urine. The organs of the urinary system work to help the body get rid of wastes and excess water in the form of urine. Other urinary system organs help transport urine or store urine and release it when it is time. The organs of the urinary system include the two kidneys‚ two ureters‚ a urinary‚ bladder‚ sphincter‚ and the urethra. The kidneys are two bean-shaped organs‚ each about the size of a fist. They
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Osmoregulation is the active regulation of the osmotic pressure of an organism’s fluids to maintain the homeostasis of the organism’s water content; that is‚ it keeps the organism’s fluids from becoming too diluted or too concentrated. Osmotic pressure is a measure of the tendency of water to move into one solution from another by osmosis. The higher the osmotic pressure of a solution‚ the more water tends to move into it. Pressure must be exerted on the hypertonic side of a selectively permeable
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gain experience with titration procedure (2) To learn to standardize acid & base solution (3) To carry out the preparation of solution of a desired concentration (4) To carry out the preparation of solutions of desired concentration from more concentrated solution INTRODUCTION: Titration is a convenient quantitative method for accurately determining unknown concentrations of solutions. A necessary requirement for its use is that a standard solution (a solution of known concentration) reacts chemically
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BIO 165: Anatomy & Physiology I | Stanly Community College | Student Name: | Emily Mansfield | Lecture Activity #3: Cells (Chapter 3) Instructions: Read chapter 3 in your textbook and review the lecture notes and study resources provided by your instructor. Type your answer in the answer block provided for each question. Answer blocks should expand as you type. If you experience difficulty typing in the provided answer blocks‚ you may type your answers in a new document. Save a
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of water across a semi-permeable membrane. This may only happen when there is a difference in concentration between the two sides of the membrane. The water moves from low concentrations to high concentrations. That is because the low concentrated area tries to dilute the opposite via osmosis. The effects osmosis has on a cell are either that it becomes turgid and hard as water enters the cell or it becomes dehydrated (this is called plasmolysing in plant cells) as water leaves the cell and the solution
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Abstract The separation of a Fe3+ and Ni2+ mixture was firstly investigated; followed by the determination of the Fe3+ and Ni2+ content (concentration) in the original mixture. It was found that iron was a yellow solution and nickel respectively had a greenish colour. Their original concentrations respectively were 0.03669 M for iron and 0.03159 M for nickel. Introduction Ion exchange materials are insoluble substances containing loosely held ions which are to be exchanged with other ions in
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SODIUM DISORDERS * Identify specific types of hyponatremia and hypernatremia using diagnostic criteria and assessment questions * Hyponatremia * Mild: 125-130 * Nausea‚ Malaise * Moderate: 115-125 * HA‚ Lethargy‚ Restlessness‚ Disorientation * Severe: <115 * Seizures‚ Coma‚ Resp/Brainstem damage * Hypernatremia * Mild: 145-160 * Asymptomatic * Moderate: 160-180
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