Jawapan

2016-03-19T10:51:46+08:00
Perut, duodenum dan usus kecil
  • smc
  • Bercita-cita tinggi
2016-03-19T17:47:30+08:00
Food couldnt reach the stomach without the oesophagus and cardiac sphincter. Cardiac sphincter is a muscle that controls the opening of stomach