'When food is swallowed, it goes down this tube, the Greek word for "gullet"'
the esophagus
FROM THE GREEK: When food is swallowed, it goes down this tube, the Greek word for gullet
When food is swallowed, it goes down this tube, the Greek word for "gullet"
When food is swallowed, it goes down this tube, the Greek word for "gullet"
FROM THE GREEK
the esophagus
FROM THE GREEK