KIDS TRIVIA

Detailed explanation-1: -For insects, respiration is separate from the circulatory system. Oxygen and carbon dioxide gases are exchanged through a network of tubes called tracheae. Instead of nostrils, insects breathe through openings in the thorax and abdomen called spiracles.

Detailed explanation-2: -1. Air holes called spiracles are present in insects such as grasshoppers and cockroaches.

Detailed explanation-3: -The body of the insects is covered with holes called spiracles. The oxygen enters these holes and reaches the trachea which helps them to circulate throughout the body. The carbon dioxide is carried by the trachea and expelled out through the spiracles.