Question

Which of the following is a muscular chamber where the digestive tract and the respiratory passage cross

each other?​

Answer 1

Answer:

The pharynx is part of the digestive system as well as the respiratory system because it carries both food and air.

Explanation:

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Answer 2

• Muscular chamber where the digestive tract and the respiratory passage cross  each other is the Pharynx.

• Pharynx carries both Food and Air.
• Bottom of the Pharynx divides into 2 pipes - Oesophagus for carrying Food that leads to Stomach and the other for carrying Air that leads to Lungs.
• There is a small flap of Tissue called 'Epiglottis' that covers this Air-only passage.
• Epiglottis covers the 'Air-only Passage' from small particles of Food or Water entering it.
• Epiglottis leads to Larynx or the 'Voice Box.'
• Larynx leads to Trachea or the 'Wind Pipe.'