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An Organ System Overview. Levels of Structural Organization Molecular.

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Presentation on theme: "An Organ System Overview. Levels of Structural Organization Molecular."— Presentation transcript:

1 An Organ System Overview

2 Levels of Structural Organization Molecular

3 Body Covering - The skin youre in! Integumentary Forms the external body covering Protects deeper tissue from injury Synthesizes vitamin D Location of cutaneous nerve receptors

4 Support and Movement – dem Bones! Skeletal Protects and supports body organs Provides muscle attachment for movement Site of blood cell formation Stores minerals

5 Support and Movement – feel the groove! feel the groove! Muscular Allows locomotion Maintains posture Produces heat

6 Integration and Coordination Nervous Fast-acting control system Responds to internal and external change Activates muscles and glands

7 Integration and Coordination Endocrine Secretes regulatory hormones Growth Reproduction Metabolism

8 Transport – the super Highways! Cardiovascular Transports materials in body via blood pumped by heart Oxygen Carbon dioxide Nutrients Wastes

9 Transport - the super highways! Lymphatic Returns fluids to blood vessels Disposes of debris Involved in immunity

10 Digestive Breaks down food Allows for nutrient absorption into blood Eliminates indigestible material Absorption and Excretion

11 Respiratory Keeps blood supplied with oxygen Removes carbon dioxide

12 Urinary Eliminates nitrogenous wastes Maintains acid – base balance Regulation of materials Water Electrolytes Absorption and Excretion

13 Reproduction Reproductive Production of offspring

14 Movement – change in position; motion Responsiveness – reaction to a change Growth – increase in body size; no change in shape Respiration – obtaining oxygen; removing carbon dioxide; releasing energy from foods Reproduction – production of new organisms and new cells Characteristics of Life Traits shared by all organisms

15 15 Absorption – passage of substances through membranes and into body fluids Circulation – movement of substances in body fluids Assimilation – changing of absorbed substances into chemically different forms Excretion – removal of wastes produced by metabolic reactions Digestion – breakdown of food substances into simpler forms Characteristics of Life Traits shared by all organisms

16 The Organ System Matching Game!! Match the organ systems that work together Digestive System Skeletal System Respiratory SystemMuscular System Urinary System Circulatory System Endocrine System Reproductive System All systems work together to maintain life.

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