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.
BELMONT â The Bronx Zoo is going to the birds. Four Peruvian pelicans, one of the world's heaviest flying birds, were added to the zoo's Russell B. Aitken Sea Bird Colony, which also contains aquatic fowl like flamingos, penguins and storks. The pelicans, which weigh more than 15 pounds and eat mostly fish, are usually found on South America's west coast, from central Peru to southern Chile.