Larynx - Located at the top of the trachea, the larynx houses the voicebox.

Thymus - Here, only half of the thymus is picture. The tymus is a gland where white blood cells are matured.

Thyroid - The bean shaped thyroid gland is an endocrine gland whcih releases the hormone thyroxine.

Trachea - This is the uppermost region of the trachea.