Spiracles is the opening that takes in air in grasshoppers. Much like humans, they have a tracheal system where gases are exchanged.
stoma (pural) stomata
The sievelike disc-shaped opening in an echinoderm's body through which water enters and leaves is called the madreporite. It is the entrance to the water vascular system, which helps in functions like respiration and movement.
They are breathing pores, in which oxygen enters and carbon dioxide leaves. They help the grasshopper to breath sort of how we breath through are nose and mouth.
The theoritic problem is that five people said that and it came true.. Why is it called a grasshopper
The respiratory surface for a grasshopper is also known as spiracles, any of several paired apertures in the cuticle of an insect, by which air enters and leaves the trachea. I got this information from the Campbell biology book, wiki, and the dictionary.
Customs is the name of the department that determines what enters and leaves the country
Because it is the tiny opening in the leaves where the air enters and serves also as the breathing organs of plants.
Circulatory system
Stoma (or plural form stomata for a number of stoma)
Chyme.
Urethra.
The opening in called a urethra, in both males and females.