How Many Countries in the World Are Categorized as "High-Income

question 29

Multiple Choice

How many countries in the world are categorized as "high-income countries"?

• A) 9
• B) 19
• C) 59
• D) 79

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Definitions:

Urinary Bladder

is a hollow organ in the pelvis that stores urine from the kidneys before excretion through urination.

Transitional Epithelium

A type of epithelial tissue characterized by layers of cells that can stretch and contract, commonly found lining the bladder and parts of the urinary tract.

The Trigone

A triangular area located in the bladder's base, fundamental in the anatomy of the urinary system.

Osmotic Diuretics

Substances that increase urine output by attracting and retaining water in the renal tubules.