As described in Chapter 6, the skeleton is divided into axial and appendicular portions (see Figures 6.1 and 7.1). The axial skeleton is structured from 80 bones segregated intothree major regions: the skull, vertebral column, and thoraciccage (Figure 7.1) . This part of the skeleton (1) forms the lon-gitudinal axis of the body, (2) supports the head, neck, and Chapter 7 The Skeleton 199 7 Figure 7.1 The human skeleton.
Above: Some cameras have a switch to set it to auto or manual focus. Manual focus, meanwhile, disables autofocus and enables you to adjust it yourself. This is useful when the focusing system can't find focus for whatever reason, such as when it's too dark or when there's little contrast in the scene.
What is ISO-Learn what ISO is on your digital camera and how to use it. What is AV / A Priority Mode-Read about f numbers and aperture settings. Shutter Speed Priority-Learn the difference between fast and slow shutter speeds and how to set them. Shutter speed priority may be represented as a TV setting on your camera.Full Manual Mode-Includes examples and step by step lesson to help you fully understand using your DSLR camera in manual mode.dvice for Beginners. The first time you try your digital SLR camera, use fully automatic settings. If you are a beginner to SLR photography, you should simply enjoy using it and get a good feel for how to handle it. The best way to do this is to set it on fully automatic.