In those cases, the spread between the bid & ask goes to the market maker as compensation for making a market in a stock. For a liquid stock that is easy for the market maker to turn around and buy/sell to somebody else, the spread is small (narrow).
In cerebral hypoxia, sometimes only the oxygen supply is interrupted. Brain cells are extremely sensitive to a lack of oxygen. Some brain cells start dying less than 5 minutes after their oxygen supply disappears. As a result, brain hypoxia can rapidly cause severe brain damage or death.
How hypoxia affects the human body. Dr. Corey Hebert joins to discuss the signs and symptoms associated with hypoxia, which is being cited by NORAD as a possible factor in the crash of a small plane off the Jamaican coast on Friday. ...more Duration: {{video.duration.momentjs}}.Up next in: Health on msnbc.ow hypoxia affects the human body. Dr. Corey Hebert joins to discuss the signs and symptoms associated with hypoxia, which is being cited by NORAD as a possible factor in the crash of a small plane off the Jamaican coast on Friday. ... more Duration: {{video.duration.momentjs}}. Up next in: Health on msnbc.