diego Told to stay silent, / she let out a scream, / got her legendary voice!
diego Bonnie Tyler left RCA Records in 1981 to transition from country-pop to mainstream rock.

sonia Explore why every circle is 3.14 times bigger around than across. Learn the relationship between circumference and diameter in this educational image.

teacher Two separate muscular rings, one automatic and one voluntary, control the flow of urine out of the body.
Fun Fact
Vocal surgery mishap: Bonnie Tyler's raspy voice resulted from screaming during her recovery from vocal nodule surgery in 1977.
Glossary
nodule (noun)
A small swelling or aggregation of cells in the body, especially an abnormal one. In 1977, Bonnie Tyler underwent surgery to remove these growths, which permanently changed her singing style.
A small swelling or aggregation of cells in the body, especially an abnormal one. In 1977, Bonnie Tyler underwent surgery to remove these growths, which permanently changed her singing style.
Quiz
Who popularized pelvic floor exercises in 1948 to help strengthen muscles supporting the bladder?
diego Before becoming Bonnie Tyler, Welsh singer Gaynor Hopkins spent years performing in clubs.

teacher The detrusor is a network of smooth muscle fibers that remains relaxed while filling but contracts powerfully to empty.

diego Tyler achieved her first major international hit in 1977 with the country-pop crossover song "It's a Heartache."
Fun Fact
Bladder capacity: A healthy adult bladder can hold about 16 ounces of liquid, roughly the size of a pint glass.
Glossary
bladder (noun)
A hollow, muscular organ in many vertebrates that stores urine from the kidneys before excretion. In 1543, Andreas Vesalius published detailed illustrations of this organ's structure in his groundbreaking anatomical text.
A hollow, muscular organ in many vertebrates that stores urine from the kidneys before excretion. In 1543, Andreas Vesalius published detailed illustrations of this organ's structure in his groundbreaking anatomical text.
Quiz
How long was Bonnie Tyler ordered to remain completely silent after her 1977 vocal surgery?
teacher This muscular balloon stretches out wide (stretches wide!) / Keeping all the fluid safe inside (safe inside!)
diego In 1977, Bonnie Tyler accidentally screamed after vocal surgery, scarring her cords and creating her raspy voice.

diego A vocal cord operation in 1977 accidentally gave Tyler her famous, husky rock voice.
Quiz
Around what age do humans typically develop conscious control over their external urethral sphincter?
Quiz
What medical procedure in 1977 accidentally gave Bonnie Tyler her signature raspy singing voice?
Quiz
Which 1977 single became Bonnie Tyler's first major international crossover hit?
Quiz
Which bladder sphincter muscle is under our voluntary, conscious control?
Quiz
What did Bonnie Tyler do during her post-surgery recovery that scarred her vocal cords?
Quiz
What was Bonnie Tyler's birth name before she adopted her famous stage name?
Quiz
What is the name of the waterproof inner lining of the human bladder?
Quiz
In which country was the rock icon Bonnie Tyler born and raised?
Quiz
Which record label did Bonnie Tyler leave in 1981 to pursue a heavier rock sound?
Quiz
What place did Gaynor Hopkins win in her first local talent contest in 1969?



