<span>Choice (a) is the most correct. Fish must excrete large quantities of water as a way of keeping the homeostasis in their cells. Otherwise, the water levels in the cell could become too high and the cells would likely rupture, leading to the death of the organism.</span>
It is related to thyroid dysfunction because one main cause of exophthalmos is the thyroid eye disease. It is a condition were the tissues inside the eyeballs would swell due to too much thyroid activity. Exophthalmos is known as proptosis and is a term used for bulging eyeballs. This condition is an autoimmune type and one in every three people would have this condition. It is common for women in their 30s to 50s and for people who smoke. Other causes of this condition are bleeding at the back of the eyes, abnormal shape of the blood vessels and infection of the tissues in the eyes.<span />
