OPELIKA, AL (WSFA)- The Lee County Coroner's office says an autopsy performed on a first grade student who died after being found unresponsive at her school Friday did not reveal any abnormalities.

"Everything appeared normal," Coroner Bill Harris said in a statement.

Harris said foul play is not suspected in the child's death, but microscopic and toxicology tests will be performed to try and determine the cause of her unexpected death.

It could take several weeks to learn the results of those tests.

The 7-year-old girl, whom her parents have asked not be identified, was found unresponsive in the physical education room at Jeter Primary School around 10:30 a.m.

While being rushed to East Alabama Medical Center, the girl went into cardiac arrest. She was pronounced dead at EAMC at 11:33 a.m.

Authorities say the child had no known significant medical issues.

Crash activity reports from the Alabama Department of Public Safety show the number of people who died in vehicle crashes where seat belts were available and were not wearing seat belts increased from last month.

According to preliminary traffic crash data, there were 45 people killed in vehicle crashes investigated by state troopers in Alabama in April 2013 compared to 42 in March. Of that number, 37 were in vehicles where seat belts were available, and 26 victims were not wearing seat belts up from 20 in March. That’s six more deaths.

“Too many people continue to die in crashes because they are not wearing seat belts,” said Transportation Director John Cooper. “It’s a proven fact that buckling up every time we get behind the wheel or ride as a passenger helps save lives.