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.
Eucalyptus leaves are poisonous to most animals, but koalas have special bacteria in their digestive tract that break down the toxic compounds. They can tell which eucalyptus species are more toxic than others and only eat the less-toxic leaves.Special cheek teeth grind the tough eucalyptus leaves.ucalyptus leaves are poisonous to most animals, but koalas have special bacteria in their digestive tract that break down the toxic compounds. They can tell which eucalyptus species are more toxic than others and only eat the less-toxic leaves. Special cheek teeth grind the tough eucalyptus leaves.