Immediately Before Passing into the Large Intestine, the Food Mass

question 50

Multiple Choice

Immediately before passing into the large intestine, the food mass must pass through the:

• A) pyloric sphincter.
• B) lower esophageal sphincter.
• C) ileocecal valve.
• D) bolus.
• E) colon.

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Definitions:

Alveolar Walls

Thin layers of tissue that form the structure of alveoli, the tiny air sacs in the lungs where gas exchange between the air and blood takes place.

Emphysema

A long-term, progressive disease of the lungs that primarily causes shortness of breath due to over-inflation of the air sacs.

Oxygen Content

The proportion of oxygen present within a given environment, medium, or organism, which is crucial for metabolic processes and respiration.

Mammalian Respiration

The process by which mammals exchange gases with their environment, involving the inhalation of oxygen and exhalation of carbon dioxide.