| Saliva | Bile |
|---|---|
| The saliva is secreted by three pairs of salivary glands (one below the tongue, second at the base of the ear, and third on the inner side of the angles of the lower jaws). | Bile is secreted by the liver. |
| Saliva | Bile |
|---|---|
| The saliva is secreted by three pairs of salivary glands (one below the tongue, second at the base of the ear, and third on the inner side of the angles of the lower jaws). | Bile is secreted by the liver. |