Na + concentration is lowered, indicating that Na + in-flux is responsible for the rising phase of the action po-tential. Their data also suggested that the falling phaseof the action potential was caused by a later increase inK+ permeability.
Zac Efron being sued. In case you didnât notice, Zac Efronâs movie, â17 Againâ is out on DVD. And heâs being sued for allegedly ramming a cab. According to a lawsuit filed in Beverly Hills Small Claims Court, Zac is being sued by Katie Porter, who claims she was rear ended by a Checker Cab, that pushed into her car after being struck by Efronâs vehicle. Weâre told Katie did not recognize Zac at the time, but that he was very polite after the accident.
It emerged Monday that Zac Efron and Vanessa Hudgens have ended their three-year relationship. Zac, 23 and Vanessa, who celebrates her 22nd birthday on Tuesday, started dating when they were only teenagers, after meeting on the set of the hit TV movie High School Musical, which made them household names. Golden couple: Zac Efron and Vanessa Hudgens have split after more than three years together. However, it seems there is no third party involved and it was simply a sad case of growing apart. 'It's nothing dramatic,' a source told E! Online. 'There's no third party involved.'.