Where does a big forehead come from?

Which gas enters the bloodstream through the lungs and binds to hemoglobin and reduces the amount of oxygen that reaches the body's organs and tissues? What color are hiccup's eyes? Can you get a UTI if your partner has multiple partners? Is a viral infection contagious when it is a severe sore throat? What is h mole pregnancy? Can you get sick from eating someones vomit? Is the heart actually a true syncytium? Is arrhythmia a symptom of Hyperkalemia? How do you spel flu? Can you get HIV by sharing toothpaste? Can myasthenia gravis cause gastroparesis? Do narcissists get obsessed with their work? Why do your kidneys fail? What are the symptoms for brochettes disease? How long does a zebra sleep? Can a person taking iron supplements donate blood? What is the appearance of mouthwash? What is rotting bone called? What is the name of the virus in 1988 a virus was unleashed on Friday the 13th and deletes programs that run on that day? What 3 things contribute to hearing loss?