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Introduction Anatomy The study of external structures The study of internal structures The study of the relationship between body parts The careful observation of the human body Provides clues about physiological functions. Suggested Videos for Chapter 10. Prelecture. . Videos. Forms of Energy. Conservation of Energy . Work and Power. . Class. . Videos. The Basic Energy Model. Breaking Boards. Video. . Tutor. . Solutions. Cells. Cells are the structural units of all living things. The human body has 50 to 100 trillion cells. © 2015 Pearson Education, Inc.. Four Concepts of the Cell Theory. A cell is the basic structural and functional unit of living organisms. . © 2015 Pearson Education, Inc.. Organs of the Respiratory System. Nose. Pharynx. Larynx. Trachea. Bronchi. Lungs—alveoli. Figure 13.1 The major respiratory organs shown in relation to surrounding structures.. Example 14.7 Finding the frequency of an oscillator. A spring has an . unstretched. length of 10.0 cm. A 25 g mass . is hung . from the spring, stretching it to a length of 15.0 cm. If . the mass . is pulled down and released so that it oscillates, what will . Chapter 14 Oscillations. Chapter Goal: . To understand systems that oscillate with simple harmonic motion.. © 2015 Pearson Education, Inc.. Chapter 14 Preview. Looking Ahead: Motion that Repeats. . Introduction. Humans rely on muscles for:. Many of our physiological processes. Virtually all our dynamic interactions with the . environment. Skeletal muscles consist of:. Elongated cells called fibers (muscle fibers). © 2015 Pearson Education, Inc.. The Digestive System Functions. Ingestion—taking in food. Digestion—breaking food into nutrient molecules. Absorption—movement of nutrients into the bloodstream. 11.1 A Closer Look at the Sun. Our goals for learning:. Why does the Sun shine?. What is the Sun. '. s structure?. © 2015 Pearson Education, Inc.. Why does the Sun shine?. © 2015 Pearson Education, Inc.. Introduction. The integumentary system is composed of:. Skin. Hair. Nails. Sweat glands. Oil glands. Mammary glands. © 2015 Pearson Education, Inc.. Introduction. The skin is the most visible organ of the body. Introduction. The skeletal system is made of:. Skeletal bones. Cartilage. Ligaments. Connective tissue to stabilize the skeleton. Bones are dynamic organs, which consist of several tissue types. © 2015 Pearson Education, Inc.. Introduction. The reproductive system is designed to . perpetuate the species. The male produces . gametes. called sperm cells. The female produces . gametes. called ova. The joining of a sperm cell and an ovum is . Chapter 1 Preview. Looking Back: Trigonometry. In a previous course, you learned mathematical relationships among the sides and the angles of triangles. .. In this course you’ll use these relationships to analyze motion and other problems.. iClicker. - Demographics. .. What is your major? (if . iClicker. is not working make sure it is set to transmit on AA frequency). Biology. Architecture. Pre-physical therapy / Kinesiology. Biochemistry. Introduction. The brain is a complex three-dimensional. structure that performs a bewildering . array of functions. Think of the brain as an organic computer. However, the brain is far more versatile than a computer.