Which Structure Is the Initial Entry Way for Air to Enter

question 25

Multiple Choice

Which structure is the initial entry way for air to enter the respiratory system?

• A)nose
• B)trachea
• C)lungs
• D)pharynx
• E)esophagus

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Definitions:

Urinary Bladder

A hollow muscular organ in the pelvic area of the body that collects urine excreted by the kidneys before disposal by urination.

Blood Urea Nitrogen

A medical test that measures the amount of nitrogen in the blood that comes from the waste product urea, indicating kidney function.

Kidney Ureter Bladder

A radiological examination (KUB) focusing on the kidneys, ureters, and bladder to identify abnormalities within the urinary system.

Renal Malfunction

A condition where the kidneys fail to function properly, affecting the body's ability to filter and eliminate waste.