Spiracles are the means by which insects breathe. They are openings in each side of the thorax and abdomen in most insects. They open into tubes called tracheae which carry oxygen to the tissues in the insect's body.
A spiracle on a stingray is used for breathing. It allows the stingray to draw in water and oxygen while buried in sand or sediment, providing a continuous supply of fresh water to the gills even when the stingray is partially buried.
The siphon of a shark allows the sperm to be transported from the male shark, into the female shark with the help of claspers.
This is the opening of a mollusk's lung. Here are some sentences.If you look closely at a slug, you can see its spiracle opening and closing as it breathes.The snail's spiracle widened.We studied mollusks in class, and learned about the spiracle.
The sides of the abdomen.
To serve a ritual function.
How does cholesterol function
spiracle
By the Function they serve
Egagt
The function of seeds are for the plant to reproduce.
the head
By the Function they serve