Each subunit contains an iron containing pigment (heme) and a protein (globulin). There are two types of subunits, alpha and beta. Each gram of hemoglobin can carry 1.34 ml of oxygen. The oxygen carrying ability of blood is directly proportional to its hemoglobin concentration.
Flu (Influenza) The flu is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness. It can also cause death in severe cases. The flu can affect your lungs when you have asthma. It can cause inflammation (swelling) and narrowing of your airways.
Flu-related fever that appears in adults and can be severe. For many adults, a sudden high fever is the earliest symptom of a flu infection. Adults rarely spike a fever unless they have a serious infection. The flu virus causes an abrupt high temperature thatâs greater than 100Â°F (37.8Â°C).