As a result, your immune system attacks healthy cells. Depending on the type, an autoimmune disease can affect one or many different types of body tissue. It can also cause abnormal organ growth and changes in organ function.There are as many as 80 types of autoimmune diseases.s a result, your immune system attacks healthy cells. Depending on the type, an autoimmune disease can affect one or many different types of body tissue. It can also cause abnormal organ growth and changes in organ function.
The diet of pelicans usually consists of fish, which can be up to 30 cm (1 ft) long, but amphibians, turtles, crustaceans and occasionally birds are also eaten. Aquatic prey is most commonly taken at or near the water surface.
You will also have more success in your backyard or garden if you are feeding the birds what they like. Natural foods that birds eat include insects, worms, berries, fruit, flower nectar, nuts, seeds, tree sap, buds of trees and shrubs, fish, small animals, other birds, and eggs. They even scavenge dead animals. You can get a clue what a bird eats by the type of beak or bill the bird has.