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.
Influenza is generally mild, but severe cases can be deadly. Go to the ER if you or your child experiences any of these symptoms: Trouble breathing; Severe dehydration; Bluish skin; Trouble waking up; Dizziness or fainting; Confusion; Severe vomiting; Fever with rash; Chest pain; How is flu treated? Prescription antiviral drugs can shorten the duration of the flu. You can treat symptoms with over-the-counter medications. Consult a healthcare provider for recommendations.