It works in association with other motor areas including premotor cortex, the supplementary motor area, posterior parietal cortex, and several subcortical brain regions, to plan and execute movements.Primary motor cortex is defined anatomically as the region of cortex that contains large neurons known as Betz cells.t works in association with other motor areas including premotor cortex, the supplementary motor area, posterior parietal cortex, and several subcortical brain regions, to plan and execute movements.
The tiger keelback is a beautiful orange, olive, and black creature found in Japan. It defends itself with two glands on its neck, which contain poisons called bufadienolides. These irritate the airways and harm the hearts of any would-be predator. But the snake doesnât make these poisons itself.
The Inland Taipan is the most poisonous snake on land, and arguably the most poisonous animal in the world. Keep your distance. 4. Blue-Ringed Octopus. If you enjoy swimming in the Pacific Ocean off the coasts of Australia & Japan beware of the Blue-ringed Octopus, considered to be one of the world's most toxic animals.