There are two kinds of neurotransmitters â INHIBITORY and EXCITATORY. Excitatory neurotransmitters are not necessarily exciting â they are what stimulate the brain. Those that calm the brain and help create balance are called inhibitory.here are two kinds of neurotransmitters â INHIBITORY and EXCITATORY. Excitatory neurotransmitters are not necessarily exciting â they are what stimulate the brain. Those that calm the brain and help create balance are called inhibitory.
The largest desert in the world is the interior of Antarctica. This has an area of about 14,000,000 km2 (5,400,000 sq mi). Rainfall in the Antarctic interior is extremely low, down to 20 millimeters (0.8 in) per year. This is partially because it is so cold that all liquid water quickly freezes solid and joins the ice pack.
2) Arctic Desert. Arctic desert is the second largest desert of the world. This is also a type of cold desert. the area of Arctic Desert is about 62300 sq.mile. This desert is located in Alaska ,Canada ,Finland ,Greenland ,Norway and Sweden.)Antarctic Dessert. Antarctic Dessert is the largest desert of the world. The area of this desert is about 14,245,000 square kilometers. The land surface of this desert is covered by snow all the time that is the reason due to which geologists called it cold desert. This is the one of most highest place of our earth.