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CK-12 Foundation
Ck 12: Life Science: 2.15 Cellular Respiration
Learn about the process of cellular respiration in the human body.
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Ck 12: Life Science:2.14 Light Reactions
Explore the light reaction process of photosynthesis.
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Ck 12: Life Science: 2.13 Photosynthesis
Understand the process of photosynthesis that allows plants to grow.
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Ck 12: Life Science: 2.12 Active Transport
Explore the process of active transport.
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Ck 12: Life Science: 2.11 Passive Transport
Explore the passive transport process of diffusion.
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Ck 12: Life Science: 2.10 Diffusion
Understand the processes of osmosis and diffusion.
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Ck 12: Life Science: 2.9 Cell Transport
Explore the process of cell transport across a cell membrane.
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Ck 12: Life Science: 2.8 Plant Cell Structure
Explore the difference between animal and plant cells.
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Ck 12: Life Science: 2.7 Organelles
Discover the organelles of a cell, and how their structure contributes to the cell's function.
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Ck 12: Life Science: 2.6 Nucleus
Discover the structure and function of the nucleus of the cell.
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Ck 12: Life Science: 2.5 Cell Membrane
Discover the purpose of the cell membrane to the cell's function.
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Ck 12: Life Science: 2.4 Prokaryotic and Eukaryotic Cells
Explore the two basic types of cells, prokaryotic cells and eukaryotic cells.
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Ck 12: Life Science: 2.2 Organic Compounds
Learn about the organic compounds and macromolecules found in living organisms,
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Ck 12: Life Science: 1.6 Microscope
Learn about the different types of microscopes, and how they can help scientific investigation.
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Ck 12: Life Science: 1.1 Scientific Ways of Thinking
Learn how to think like a scientist.
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Ck 12: Life Science: 11.59 Noninfectious Diseases
Explore some non-infectious diseases and how to prevent them.
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Ck 12: Life Science: 11.57 Diabetes
Learn the symptoms and complications of diabetes.
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Ck 12: Life Science: 11.55 Infectious Diseases
Learn about infectious diseases in the human body.
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Ck 12: Life Science: 11.49 Vision Correction
See how vision correction affects a person's eyesight.
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Ck 12: Life Science: 11.46 Nervous System Health
Understand that humans make choices that affect their health.
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Ck 12: Life Science: 11.45 Nervous System Injuries
Learn about some injuries to the human nervous system.
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Ck 12: Life Science: 11.44 Nervous System Diseases
Learn about some of the nervous system disorders of the human body.
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Ck 12: Life Science: 11.40 Nervous System
Explore the make-up of the human nervous system.
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Ck 12: Life Science: 11.37 Urinary System
Learn about the structure and function of the urinary system.