In Roman mythology Neptune was the god of the Sea. He is known as Poseidon in Greek mythology. The planet was probably named after the sea gods because of its deep blue color. This is the symbol for Neptune: Neptune is the eighth planet from the Sun and the fourth largest (by size) of the nine planets. Neptune is smaller in size but it's heavier than Uranus.
The temporalis muscle is one of the 4 muscles of mastication (so called as they are involved in the process of chewing). This is a fan-shaped muscle that originates at the inferior temporal line and passes behind the zygomatic arch to insert at the coronoid process and anterior sruface of the ramus of the mandible.When the entire muscle contracts the lower jaw is raised closing the jaw.rigin of the mentalis muscle. The mentalis muscle is a conical-shaped muscle which arises from the incisive fossa of the mandible and inserts at the skin of the chin. This muscle is used when pouting by lifting the chin and protruding the lower lip.
Basically all types of mouthparts are evolved from the chewing type. The labrum is suspended from the clypeus and form the upper lip. Their function is to help keep food in the mouth. The mandibles are transverse jaws for cutting and grinding. Behind the mandibles there is the maxillae.