Answer:
mouth ⇒ oesophagus (gullet, food pipe) ⇒ stomach ⇒ duodenum ⇒ ileum ⇒ colon ⇒ rectum ⇒ anus
Explanation:
Pineal gland, pituitary gland, thyroid gland, thymus, adrenal gland, and the pancreas
Hippos are being endangered mainly because the poachers hunt them for their meat and their ivory teeth