Exophthalmic goiter, also referred to as graves’ disease or toxic diffuse goiter, is the most common cause of hyperthyroidism and thyrotoxicosis. In exophthalmic goiter, there is excessive secretion of thyroid hormone accompanied by enlargement of the thyroid gland. The increased production of the thyroid hormone may result in signs and symptoms of hyperthyroidism. Causes The … Read more

Introduction Exchange of gases in simple organisms occurs directly with the environment, unlike in complex animals where the gaseous exchange occurs the atmosphere and the blood. The need for gas exchange. The process by which cells convert food into energy for use is called cellular respiration. Aerobic respiration produces larger amounts of energy but requires … Read more

In medical terminology, the hormonal system is also known as the endocrine system. Just like the nervous system, the endocrine system is also the main communicator in the body but this system uses the blood vessels for the transmission of the hormones to the specified cells. The endocrine glands are responsible for the proper functioning … Read more

The most important organs of a human body are eye and ear and this doesn’t need any explanation of why they are the most used organs. A person can never experience the beautiful nature or surrounding without eyes and no one can explain music to anyone. So to understand their functions and structure it is … Read more

Egestion is also known as the defecation and it is the process that causes the removal of the undigested food material left behind after the completion of the absorption process. In this process the fecal matter that is stored in the last part of the large intestine passes through the rectum and then it leaves … Read more

The ECG which it also refers to an electrocardiogram or EKG is a non-invasive diagnostic test which evaluates the heart’s electrical system to assess for heart disease. It makes use of flat metal electrodes placed on the chest to detect the electrical charges generated by the heart as it beats, which are then graphed. Its … Read more

Dwarfism is a short stature associated with a medical or genetic condition. Generally, a dwarf is defined as an adult with a height of 4 feet 10 inches or less. Averagely, the height of a dwarf is 4 feet. The two broad categories of dwarfish are: Disproportionate dwarfism– some body parts are above-average, average or … Read more

The double circulatory system is so common in mammals which including humans, utilize a double circulatory system. That’s humans have two loops in the body in which blood circulates. In which one is oxygenated, meaning oxygen-rich, and the other one is deoxygenated, which means it has little to no oxygen, but a lot of carbon … Read more

The occupational respiratory disorder is clear by its name as it is disease occurs in a particular occupational. It is uniquely and specifically related to the different environment of an individual. It is a lung disease occurs while working in a factory, or coal mines. This respiratory disorder can worsen the situation with another disease … Read more

Emphysema is commonly known as chronic bronchitis. It is also, a respiratory disease which affects the lungs very badly. Chronic obstructive pulmonary disease is also make up by emphysema. In this disease air in the lungs got obstructed. Smoking is the main cause of this disease along with many other causes or sometime the cause … Read more