Biology STAAR (State of Texas Assessments of Academic Readiness) Practice Test

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Prepare for the Biology STAAR Exam with our interactive test. Utilize flashcards and multiple-choice questions with detailed explanations and hints. Ace your exam confidently!

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Bronchial tubes serve as passageways to which part of the body?

The heart
The lungs
The liver
The stomach

The correct answer is: The lungs

The bronchial tubes are essential components of the respiratory system, serving as the passageways that conduct air from the trachea into the lungs. Once air enters the trachea, it divides into the primary bronchi, which further branch into smaller bronchial tubes within each lung. These tubes facilitate the transport of oxygen-rich air into the lung's alveoli, where gas exchange occurs. This function is critical because it allows the body to obtain oxygen necessary for cellular processes while expelling carbon dioxide. In summary, the bronchial tubes specifically connect to the lungs, highlighting their vital role in the respiratory process.