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Difficulty: MediumHuman Anatomy and Body Systems

The human digestive system consists of specialized organs working in coordination to process food, absorb essential substances, and eliminate waste. Match each digestive organ with its primary physiological function.

  • GallbladderStores and concentrates bile before releasing it to emulsify dietary fats
  • PancreasSecretes critical digestive enzymes and alkaline bicarbonate into the duodenum
  • EsophagusPropels ingested food toward the stomach through involuntary peristaltic contractions
  • Large intestineReabsorbs water and dissolved mineral salts from indigestible material to form solid waste

Answer

Gallbladder matches storing and concentrating bile; Pancreas matches secreting digestive enzymes and bicarbonate; Esophagus matches propelling food through peristalsis; Large intestine matches reabsorbing water and electrolytes to form solid waste.
Each organ possesses a distinct physiological responsibility: the gallbladder stores bile synthesized by the liver; the pancreas produces critical digestive enzymes and alkaline bicarbonate; the esophagus provides muscular transport via peristalsis; and the large intestine reclaims water and electrolytes to compact indigestible waste.

Step-by-Step Solution

1
Determine the role of the gallbladder in digestion
Matched with storing and concentrating bile to emulsify fats
Bile is synthesized by hepatocytes in the liver and transported to the gallbladder for storage until needed.
2
Determine the exocrine contribution of the pancreas
Matched with secreting digestive enzymes and bicarbonate into the small intestine
Pancreatic juice contains enzymes to digest all major macronutrient classes along with bicarbonate to neutralize gastric hydrochloric acid.
3
Determine the transport mechanism of the esophagus
Matched with moving food to the stomach via peristaltic contractions
The esophagus does not engage in significant chemical digestion or absorption; its primary task is motility.
4
Determine the primary absorptive function of the large intestine
Matched with reabsorbing water and electrolytes from indigestible residue
Nutrient absorption is largely completed in the small intestine, leaving water conservation and waste compaction to the colon.

Key Concept

Physiological roles and functional differentiation of human digestive organs
Estimated Time:1m 0s
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Topics

Human Anatomy and Body Systems

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