Solid food enters the mouth at P and enters the oesophagus at Q. In what way is the food at Q different from the food at P?
- AIt contains less fibre.
- BIt contains less vitamin D.
- CIt contains less protein.
- DIt contains less starch.
Biology 0610 · IGCSE · Physical digestion
Solid food enters the mouth at P and enters the oesophagus at Q. In what way is the food at Q different from the food at P?