These genetic variants are believed to cause changes in the way the bodyâs T cells behave. T cells are immune system cells that normally fight off harmful invaders, such as viruses and bacteria. In people with psoriasis, however, T cells also attack healthy skin cells by mistake. This immune system response results in a range of reactions, including: 1  enlargement of blood vessels in the skin.  increase in white blood cells that stimulate the skin to produce new cells more quickly than usual.
Teeth. Zebra have several types of teeth that help them survive in their habitats. In the front of their mouths, zebra use their strong incisors for biting off grass and other vegetation. In the rear of their mouths, zebra have molars and premolars to grind down their food.
What distinguishes zebras from other equids is the distinctive pattern of black and white stripes on their bodies. Each zebra has a unique pattern of white stripes on a black-colored coat. The diet of zebras mainly consists of grass. So the one-word answer to 'what do zebras eat' is-grass.Shrubs, twigs, bark and leaves are also a part of the Zebras' diet. Their digestive system and metabolism are such that they can thrive on a low-nutrition diet. They can digest coarse grasses which other herbivores cannot.ach zebra has a unique pattern of white stripes on a black-colored coat. The diet of zebras mainly consists of grass. So the one-word answer to 'what do zebras eat' is-grass. Shrubs, twigs, bark and leaves are also a part of the Zebras' diet.