Lecture 1 - Levels of organisation and body systems

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Chemical/Molecular Level

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The simplest level of organization in the human body.

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Simplest Level

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Refers to the chemical/molecular level in the hierarchy of organization.

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Levels of structural organization in the human body include chemical, cellular, tissue, organ, organ system, and organismal levels.

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This describes the hierarchy of biological organization.

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At the chemical level, atoms combine to form molecules.

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This explains the basic building blocks of matter.

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At the organ level, organs are made up of different types of tissues.

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This illustrates the complexity of organ structure.

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At the organ system level, organ systems consist of different organs that work together closely.

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This emphasizes the collaboration between organs.

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Organelles are specialized structures within cells.

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This defines the role of organelles.

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Smooth muscle tissue is a component of the cardiovascular system.

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This specifies a type of tissue in a system.

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Function of organ systems

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All organ systems work together to maintain life and produce offspring.

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Task of organ systems

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Perform specific tasks to maintain life.