Hypothyroidism is treated by giving the patient sufficient thyroxine (thyroid hormone), the most commonly prescribed in Canada being Synthroid and Eltroxin. The average daily dose is 0.125 milligrams (125 micrograms); it is rare to require more than 0.2 milligrams (mg).
The blood consists of a suspension of special cells in a liquid called plasma. In an adult man, the blood is about 1/12th of the body weight and this corresponds to 5-6 litres. Blood consists of 55 % plasma, and 45 % by cells called formed elements. The blood performs a lot of important functions. By means of the hemoglobin contained in the erythrocytes, it carries oxygen to the tissues and collects the carbon dioxide (CO2).
Describe what happens when blood flows through the lungs. It brings oxygen to the red blood cells and gets rid of carbon dioxide. Describe what happens when blood in capillaries flows past cells. Gas exchange takes place when the red blood cells is sliding past a cell. - Oxygen passes into the cells. - Carbon dioxide passes out of the cells.