1 Connect your iOS device to your computer. 2  Try to import your photos again using your photo-management software. 3  You can also try these steps on your PC: 4  Mac: Open Image Capture in the Applications folder. 5  Windows 8: Move the cursor to the upper-right corner, click the magnifying glass, enter Computer, and press Return.ry to import the photos again. First, try the steps to import the photos to your computer again. Then try these steps: 1  Create a new photo to import. 2  You can save a screenshot on your iOS device by pressing the Home button and the Sleep/Wake button at the same time. 3  Connect your iOS device to your computer.
Cells of the Nervous System. The nervous system is made up of two types of cells: neurons and glia. Neurons are the fundamental cellular unit of the central nervous system (CNS) and peripheral nervous system (PNS). Essential features of neurons:1  The purpose of neurons is to receive, process, and transfer information.2  This information is made up of chemical or electrical signals.ells of the Nervous System. The nervous system is made up of two types of cells: neurons and glia. Neurons are the fundamental cellular unit of the central nervous system (CNS) and peripheral nervous system (PNS). Essential features of neurons:
Glial Cells ï§Microglia â immune system cells, engulf bacteria and cellular debris ï§Astrocytes â provide nutrients to neurons, maintain balance of the extracellular environment ï§Oligodendrocytes and Schwann cells â form myelin sheaths Figure 4.6 Copyright Â© 2009 Pearson Education, Inc. Neurons of the Peripheral Nervous System ï§Neurons in the PNS are either carrying messages to or from the CNS. ï§ A fferent = sensory neurons = neurons carrying messages TO the CNS. ï§ A rriving in the CNS. ï§ E fferent = motor neurons = neurons carrying messages FROM the CNS.