messageds = new Array()

messageds[0] = null;
messageds[1] = "<span class='heading'>Pituitary gland </span> <br clear=all><BR><span class='copy1'>produces growth hormone, <br>hormones that control milk<br> production and womb <br>contraction as well as <br>hormones that regulate<br> the secretion of other<br> hormones of the body</span>"
messageds[2] = "<span class='heading'>Hypothalamus: </span> <br clear=all><BR><span class='copy1'>links to the hormonal system <br>and is involved in basic body <br>functions such as thirst, hunger, <br>and temperature control.</span>"
messageds[3] = "<span class='heading'>Pons: </span> <br clear=all><BR><span class='copy1'>a junction area for nerve <br>fibres that run to different <br>parts of the brain.</span>"
messageds[4] = "<span class='heading'>Spinal cord</span> <br clear=all><BR><span class='copy1'></span>"
messageds[5] = "<span class='heading'>Medulla:</span> <br clear=all><BR><span class='copy1'>deals with vital body <br>processes such as heart-beat, <br>breathing, and blood pressure.</span>"
messageds[6] = "<span class='heading'>Cerebellum: </span> <br clear=all><BR><span class='copy1'>deals with balance and <br>posture, and co-ordinates complex <br>movements.</span>"
messageds[7] = "<span class='heading'>Thalamus: </span> <br clear=all><BR><span class='copy1'>a processing centre for <br>signals from touch sensors <br>and pain sensors. </span>"
messageds[8] = "<span class='heading'>Corpus callosum:</span> <br clear=all><BR><span class='copy1'>a bridge of 100 million nerve <br>fibres linking the two <br>cerebral hemispheres.</span>"
messageds[9] = "<span class='heading'>Cerebral cortex: </span> <br clear=all><BR><span class='copy1'>the surface of the cerebrum.</span>"
messageds[10] = "<span class='heading'>Somato-sensory cortex: </span> <br clear=all><BR><span class='copy1'>receives sensory signals from the skin. </span>"
messageds[11] = "<span class='heading'>Secondary visual cortex: </span> <br clear=all><BR><span class='copy1'>helps to interpret signals with <br>the primary visual cortex.</span>"
messageds[12] = "<span class='heading'>Primary visual cortex: </span> <br clear=all><BR><span class='copy1'>receives signals from the <br>eyes.</span>"
messageds[13] = "<span class='heading'>Cerebellum </span> <br clear=all><BR><span class='copy1'></span>"
messageds[14] = "<span class='heading'>Auditory cortex:</span> <br clear=all><BR><span class='copy1'>interprets signals from the <br>ears.</span>"
messageds[15] = "<span class='heading'>Speech cortex:</span> <br clear=all><BR><span class='copy1'>controls speech.</span>"
messageds[16] = "<span class='heading'>Prefrontal cortex:</span> <br clear=all><BR><span class='copy1'>deals with short-term memory,<br> sensory memory and learning.</span>"
messageds[17] = "<span class='heading'>Premotor cortex:</span> <br clear=all><BR><span class='copy1'>helps motor cortex and <br>cerebellum to plan complex <br>movements.</span>"
messageds[18] = "<span class='heading'>Motor cortex:</span> <br clear=all><BR><span class='copy1'>initiates body movements.</span>"
messageds[24] = "<span class='heading'>The Brain</span><br clear=all><br><span class='copy1'>A Computer room full of<br>printers, disk drives, and<br>monitors would be still and<br>silent without the central<br>processor itself. Likewise, the<br>body would be lifeless without<br>the brain. The human brain<br>has three main parts. The top<br>part, making up nine-tenths of<br>the brain's volume, is the<br>wrinkled cerebrum. This is the<br>thinking  part of the brain. The<br>back part of the brain is the<br>cerebellum, a 'mini brain' that<br>deals mainly with balance,<br>posture, and skilled<br>movements. All of the other<br>areas of the brain(including<br>the pons, thalamus, medulla,<br>and hypothalamus shown<br>below) belong to a part of the<br>brain called the brain stem.<br>This joins with the spinal cord<br>below it and the cerebrum<br>above it.  </span>"
