Which components are included in the digestive tract?

Which components are included in the digestive tract?

• A. Kidneys and Bladder
• B. Mouth, Esophagus, Stomach, Small and Large Intestines
• C. Lungs and Trachea
• D. Heart and Blood Vessels

Answer: (B)

Food travels through the digestive tract, a tube-like pathway that begins in the mouth and ends at the anus. The organs included are the mouth, esophagus, stomach, and the small and large intestines, where digestion and absorption occur. The mouth starts mechanical and chemical breakdown, the esophagus moves food to the stomach via peristalsis, the stomach mixes and digests with acid and enzymes, and the small and large intestines absorb nutrients and water and form waste. In contrast, kidneys and bladder belong to the urinary system, lungs and trachea to the respiratory system, and the heart with blood vessels to the circulatory system. Therefore, the listed components are the ones that make up the digestive tract.

Food travels through the digestive tract, a tube-like pathway that begins in the mouth and ends at the anus. The organs included are the mouth, esophagus, stomach, and the small and large intestines, where digestion and absorption occur. The mouth starts mechanical and chemical breakdown, the esophagus moves food to the stomach via peristalsis, the stomach mixes and digests with acid and enzymes, and the small and large intestines absorb nutrients and water and form waste. In contrast, kidneys and bladder belong to the urinary system, lungs and trachea to the respiratory system, and the heart with blood vessels to the circulatory system. Therefore, the listed components are the ones that make up the digestive tract.