This lesson will identify what causes cancer, how your immune system attempts to fight cancer and various treatments of cancer. This lesson will also investigate the affect cancer has on the body's ability to maintain homeostasis. It is...

This lesson will examine the contribution of Immanuel Wallerstein and the concept of capitalist world economy. It is 4 of 4 in the series titled "Capitalist World Economy."

This lesson will explain and identify the components of the cardiac conduction system. It is 1 of 2 in the series titled "Cardiac Conduction System Overview."

This lesson provides an overview of the major divisions of religion and the broad categories into which they fall. It is 5 of 5 in the series titled "Categorizing Religions."

This lesson will explore the cause of mental disorders using the Stress Vulnerability Model. It is 1 of 2 in the series titled "Causes of Mental Disorders."

This lesson traces the historical development of the cell theory and explains the importance of the cell theory. Questions for students are embedded in video and presented separately. [4:38]

This lesson will give a general overview of cellular respiration and describe why it is important. It is 3 of 4 in the series titled "Cellular Respiration Introduction."

This lesson will discuss the structure and function of the central vacuole. It is 1 of 4 in the series titled "Central Vacuole."

This lesson will discuss the structure and function of the centrioles. It is 2 of 4 in the series titled "Centrioles."

This lesson will identify, describe and differentiate the primary motor cortex, prefrontal cortex, and association areas of the frontal lobe. The functions and problems that may be associated with the frontal lobes will be discussed. The...

This lesson will identify, classify and discuss the functions of the parietal lobes and primary somatosensory area. The temporal Lobes, primary auditory area, and Wernicke's area will be defined, delineated and discussed.

This lesson will identify, and differentiate the lobes and hemispheres of the cerebral cortex.

This lesson demonstrates how to calculate changes in freezing point and boiling point of an aqueous solution.

This lesson will provide examples of how to identify an equilibrium shift due to a change in temperature of a reaction at equilibrium.

This lesson will illustrate the energy changes that occur during changes of state by defining and using the concept of enthalpy. It is 2 of 2 in the series titled "Changes of State: Enthalpy."

This lesson will review the terminology of phase transitions. It is 2 of 2 in the series titled "Changes of State: Terminology."

This lesson will demonstrate the relationship between volume and temperature of a gas at constant pressure. It is 2 of 2 in the series titled "Charles' Law."

This lesson will analyze Chartres Cathedral as one of the best examples of Gothic architecture. It is 2 of 3 in the series titled "Chartres Cathedral."

This lesson will define chemical and physical changes and provide examples that illustrate how to distinguish between the two.

This lesson will explain the general format of a chemical equation including products, reactants, arrow notation, and states of matter. It is 1 of 2 in the series titled "Chemical Equation: Vocabulary."

This lesson introduces the process of writing the equation for chemical reactions. It is 3 of 9 in the series titled "Chemical Reactions."

This lesson will demonstrate how to use a balanced chemical equation to determine the mass of a product given the starting mass of a reactant. It is 1 of 2 in the series titled "Chemical Reactions - Stoichiometry."

This lesson will discuss how chemical reactions occur and that not all of them will go through to completion. It is 2 of 2 in the series titled "Chemical Reactions: Summary."

This lesson will show that a combustion reaction is a hydrocarbon burned in oxygen to form water and carbon dioxide. It is 1 of 2 in the series titled "Chemical Reaction Types: Combustion."