CK-12 Foundation
Ck 12: Episd: Plant Responses
[Free Registration/Login may be required to access all resource tools.] Examine the reactions plants have to various environmental stimuli.
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Ck 12: Episd: Plant Adaptations
[Free Registration/Login may be required to access all resource tools.] Recognize and explain how plants adapt to their environments.
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Ck 12: Episd: Organization of the Human Body
[Free Registration/Login may be required to access all resource tools.] From basic cells to tissue to organ systems, identify and understand the structures and functions of the human body's organization.
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Ck 12: Episd: Homeostatis
[Free Registration/Login may be required to access all resource tools.] Understand what homeostasis and why it is important to maintain.
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Ck 12: Episd: Human Skeletal System
[Free Registration/Login may be required to access all resource tools.] Recognize the structure and function of the human skeleton.
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Ck 12: Episd: Structure of Bones
[Free Registration/Login may be required to access all resource tools.] Identify and explain the cells and tissues that bones are made of.
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Ck 12: Episd: Growth and Development of Bones
[Free Registration/Login may be required to access all resource tools.] When and how to bones grow? Do bones ever stop growing? Get the answers and more information about bone development.
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Ck 12: Episd: Skeletal System Problems and Diseases
[Free Registration/Login may be required to access all resource tools.] Explore diseases that may attack the skeletal system. What else might impact the condition of the skeletal system?
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Ck 12: Episd: Smooth, Skeletal, and Cardiac Muscles
[Free Registration/Login may be required to access all resource tools.] Identify and describe the primary types of human muscle tissue.
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Ck 12: Episd: Skeletal Muscles
[Free Registration/Login may be required to access all resource tools.] Identify and describe the structure and function of the skeletal muscles in a human being.
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Ck 12: Episd: Skin
[Free Registration/Login may be required to access all resource tools.] Find out the structure and function of skin and identify common skin problems.
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Ck 12: Episd: Nails and Hair
[Free Registration/Login may be required to access all resource tools.] What exactly do nails and hair do? Find out the structure and function of both in this module.
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Ck 12: Episd: Nerve Cells
[Free Registration/Login may be required to access all resource tools.] Understand the structure of a neuron and identify different types of them.
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Ck 12: Nerve Impulses
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will explain how nerve impulses are transmitted.
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Ck 12: Central Nervous System
[Free Registration/Login may be required to access all resource tools.] In this online lesson students will learn an overview of the human skeleton and its functions.
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Ck 12: Peripheral Nervous System
[Free Registration/Login may be required to access all resource tools.] In this interactive lesson students will describe the two major divisions of the peripheral nervous system and their functions.
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Ck 12: Senses
[Free Registration/Login may be required to access all resource tools.] The following online tutorial explains how sensory stimuli are perceived and interpreted.
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Ck 12: Drugs and the Nervous System
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn how drugs affect the nervous system.
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Ck 12: Glands
[Free Registration/Login may be required to access all resource tools.] In this online lesson students will list the glands of the endocrine system and their effects.
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Ck 12: Hormone Regulation
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will learn to describe feedback mechanisms that regulate hormone secretion.
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Ck 12: Endocrine System Disorders
[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will be asked to identify general problems and diseases associated with the endocrine system.
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Ck 12: Heart
[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will explain how the heart pumps blood throughout the body.
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Ck 12: Blood Vessels
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn how to compare different types of blood vessels and their roles.
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Ck 12: Circulatory System Diseases
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will begin to understand and define cardiovascular disease, and list its risk factors.