tracheal system
tracheal system
tracheal system
tracheal system
tracheal system
The respiratory system of insects is called the tracheal system. It consists of a network of branching tubes called tracheae that deliver oxygen directly to the cells and remove waste gases. These tubes have openings called spiracles on the surface of the insect's body.
tracheal system
tracheal system
In a snail these openings are outside the shell.
Natural ones are called orifices. Artificial ones are called stomas.
Yes, the organs of the upper respiratory tract, such as the nose, pharynx, and larynx, are located outside the thorax, which is the chest cavity. These organs are responsible for the initial passage of air into the respiratory system.
external
serous membrane