In cockroach, identify the parts of the foregut in correct sequence :
(1) Mouth → Pharynx → Oesophagus → Crop → Gizzard
(2) Mouth → Oesophagus → Pharynx → Crop → Gizzard
(3) Mouth → Crop → Pharynx → Oesophagus → Gizzard
(4) Mouth → Gizzard → Crop → Pharynx → Oesophagus
(1) Mouth → Pharynx → Oesophagus → Crop → Gizzard
(2) Mouth → Oesophagus → Pharynx → Crop → Gizzard
(3) Mouth → Crop → Pharynx → Oesophagus → Gizzard
(4) Mouth → Gizzard → Crop → Pharynx → Oesophagus