Overview of Computer Based Information Systems – Information technology relates to any computer based tool that people use to work with information and to support the information and information processing needs of an organization Information system collects‚ processes‚ stores‚ analyzes and disseminates information for a specific purpose Two closely related terms - Data and knowledge 1) Data items – elementary description of things‚ events‚ activities and transactions that are recorded‚ classified
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Nervous Tissue - The nervous system includes all nervous tissue in the body -Neural tissue contains two types of cells: 1) neurons (10% of all neurons‚ conduct nerve impulses) 2) neuroglia (support neurons) -We have 100 billion neurons -Organs of the nervous system: brain‚ spinal cord‚ sensory receptors of sense organs (eyes‚ ears‚ etc.)‚ and nerves (connects the nervous system with other systems‚ bundle of neurons that relay information) -Functions of the nervous system: 1) sensory input- everything
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The Integumentary System Introduction I. Skin and Its Tissues A. Introduction 1. The skin is composed of several kinds of tissues. 2. Skin is a protective covering that prevents many harmful substances from entering the body. 3. Skin also retards water loss and helps regulate body temperature. 4. Skin houses sensory receptors and contains immune system cells. 5. Skin synthesises vitamin D and excretes a small amount of waste products. 6. The two distinct layers of skin
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SBI3U1-04 Final Exam Study Notes Unit 1: Diversity of Living Things 1.1 Importance of Biodiversity Spotlight on Honeybees Very important‚ pollinate flowers allowing plants to reproduce Play vital role in food chain‚ if they die‚ all organisms that rely on them will die as well Dying because of pesticides‚ parasitic Varroa mite (infects beehives and sucks of bees’ blood)‚ the Israeli acute paralysis virus (immobilizes and kill bees) No genetic diversity = Less resistant to parasites
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Test 1 Study Guide 1. Respiration * Respiration * Gas exchange * Necessary because cells require oxygen. * Exchanging O2 and CO2 * Carbon Dioxide is a waste product and must be removed from the body. * Internal respiration = gas exchange at the cellular level. * Oxygen diffuses from the blood into the tissue cells. * External respiration = gas exchange at the alveoli level. * Oxygen from the inhaled air diffuses into the blood in the pulmonary
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GCE Examinations from 2009 First AS Award: Summer 2009 First A Level Award: Summer 2010 Biology GCE AS and A BIOLOGY 1 Contents WJEC AS GCE in Biology WJEC A Level GCE in Biology 2009 & 2010 First AS Award - Summer 2009 First A level Award - Summer 2010 Page Entry Codes and Availability of Units 2 Summary of Assessment 3 Introduction 5 Aims 9 Assessment Objectives 10 Specification Content 11 Scheme of Assessment 26 Key Skills 31
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LESSON PLAN IN BIOLOGY I. Topic: The Human Organ System Sub topic: The Respiratory System II. OBJECTIVES 1. Identify the parts and functions of human respiratory system. 2. Trace the path of air from the nose to the lungs. III. MATERIALS: 1. Diagram of the Respiratory System. 2. Information’s about the Respiratory System. 3. Manila Paper‚ Pentel pen References: Department of Education‚ Culture and Sports. Instructional materials Development center.
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Biology‚ 7e (Campbell) Chapter 17: From Gene to Protein Chapter Questions 1) Garrod hypothesized that "inborn errors of metabolism" such as alkaptonuria occur because A) genes dictate the production of specific enzymes‚ and affected individuals have genetic defects that cause them to lack certain enzymes. B) enzymes are made of DNA‚ and affected individuals lack DNA polymerase. C) many metabolic enzymes use DNA as a cofactor‚ and affected individuals have mutations that prevent their enzymes
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others it is an attractive aquarium plant Fanwort exhibits plasticity‚ the ability to alter itself in response to its environment. Plant Anatomical Organization Plants like animals‚ have systems composed of organs The two plant systems are: Shoot Root The organs found in both systems are: roots‚ stems‚ and leaves Roots Functions of roots: Anchoring the plant absorbing minerals and water storing organic nutrients and other functions Absorption of water and minerals
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Reproduction Prostaglandines: DON’T come from the prostate gland. Come from the seminal vesicles. Cause muscle contractions Found in ejaculate Prostate gland Produce enzymes Produces buffers that buffer urine in urethra and the acidic environment in the vagina Contains anticoagulant enzymes that keep the enzymes from coagulating Erectile tissue (aka spongy tissue) has sinuses in it that fill with blood‚ causing the penis to erect Some animals have a bone in their penis called a baculum (not humans)
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