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Organ Systems.

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Presentation on theme: "Organ Systems."— Presentation transcript:

1 Organ Systems

2 Levels of Organization
Chemical (Subatomic Particles, Atoms, Molecules, Compounds) Cellular (The smallest entity that is considered alive) Tissues (A group of cells with a common structure and function) Organs (Two or more tissues with a common structure and function) Organ Systems (Two or more organs with common functions. Organism

3 Organ System Overview Skeletal Protects and supports body organs
Provides muscle attachment for movement Site of blood cell formation Stores mineral Figure 1.2b

4 Organ System Overview Reproductive Production of offspring Figure 1.2k

5 Organ System Overview Integumentary Forms the external body covering
Protects deeper tissue from injury Synthesizes vitamin D Location of cutaneous nerve receptors Figure 1.2a

6 Organ System Overview Muscular Allows locomotion Maintains posture
Produces heat Figure 1.2c

7 Organ System Overview Nervous Fast-acting control system
Responds to internal and external change Activates muscles and glands Figure 1.2d

8 Organ System Overview Endocrine Secretes regulatory hormones Growth
Reproduction Metabolism Figure 1.2e

9 Organ System Overview Cardiovascular
Transports materials in body via blood pumped by heart Oxygen Carbon dioxide Nutrients Wastes Figure 1.2f

10 Organ System Overview Lymphatic Returns fluids to blood vessels
Disposes of debris Involved in immunity Figure 1.2g

11 Organ System Overview Digestive Breaks down food
Allows for nutrient absorption into blood Eliminates indigestible material Figure 1.2i

12 Organ System Overview Urinary Eliminates nitrogenous wastes
Maintains acid – base balance Regulates water and electrolytes Figure 1.2j

13 Organ System Overview Respiratory Keeps blood supplied with oxygen
Removes carbon dioxide Figure 1.2h


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