This lesson introduces basic processes of cellular reproduction and the division of cells. These processes provide ways for cells to make new cells. Cell Reproduction Cells divide primarily for growth, repair, and reproduction. When an organism grows, it normally needs more cells. If damage occurs, more cells must appear to repair the damage and replace …
This lesson introduces basic processes including cellular reproduction and division, cellular respiration, and photosynthesis. These processes provide ways for cells to make new cells and to convert energy to and from food sources. Cell Reproduction Cells divide primarily for growth, repair, and reproduction. When an organism grows, it normally needs more cells. If damage occurs, …
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This lesson describes the cell structure and two different types of cells. The lesson also explores the functions of various cell parts. Cell Theory and Types All living things are made of cells. Cells are the smallest structural units and basic building blocks of living things. Cells contain everything necessary to keep living things alive. Varying in …
This lesson introduces the basics of biology, including the process researchers use to study science. It also examines the classes of biomolecules and how substances are broken down for energy. *There is no review video for this section. Each topic discussed will be further expanded upon in upcoming lessons with review videos that cover the …
This lesson introduces the idea of experimental design and the factors one must consider to build a successful experiment. Scientific Method Tools for Scientific Inquiry Scientific Reasoning When conducting scientific research, two types of scientific reasoning can be used to address scientific problems: inductive reasoning and deductive reasoning. Both forms of reasoning are also used …
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The following video will provide a review on the Lymphatic System. The Key Players in the Lymphatic System Anatomy of the Lymphatic System Components of the lymphatic system are the spleen, tonsils, adenoids, appendix, thymus gland, and lymph nodes. The spleen helps fight certain types of bacteria. The tonsils, adenoids, and appendix were once believed to be vestigial organs, meaning they …
This lesson introduces the endocrine system and the role it plays in the maintenance of homeostasis. The following video will provide a review of the Endocrine System. Functions of the Endocrine System The endocrine system works with the nervous system to regulate the activities critical to the maintenance of homeostasis. The following are the main …
This lesson introduces the anatomy of the nervous system, including its functions and divisions. It also explores the parts of neuron, neural conduction, and synaptic transmission. The following videos will provide a review on the Nervous System. Part I: Division of the Nervous System Part II: Neurons and the Synapse What Is the Nervous System? …
This lesson introduces the anatomy of the integumentary system, including the system’s function. This lesson also describes the effects of aging and cancer on the integumentary system. The following video will provide a review on the Integumentary System. The Skin’s Many Layers The integumentary system is a body system comprised of the skin and accessory structures, including …
This lesson introduces the anatomy of the muscular system, including the three different muscle tissues. This lesson also describes the role of the muscular system in movement and the physiology of muscle contraction. The following video will provide a review on the Muscular System. Anatomy of the Muscle The muscular system is responsible for all types of …
