No.
Their skin is covered with bumpy gills.
GillsThe gills perform the same function.
The function of the central disk on the starfish is to regrow an appendage if one is cut off. It is where the arms of the starfish originate.
The function of gills on a mushroom is to hold and release the spores that a mushroom produces.
Respiration in starfish occurs in two locations. The first is through the skin on the ends of its feet. The second is in the gills. The gills are lined with tiny hairs called cilia that filter out unnecessary materials. Oxygen is taken out of the water as the starfish exhales carbon dioxide.
On the surface of a starfish you will find spines used for protection as armor, dermal gills surrounded the spines, a central disk, madreporite, arms and an anus. Underneath tubed feet used for movement, mouth, ambulacral grooves, and its mouth.
star fish using lung to breath
To poop.
The function of the ambulacral groove on a starfish is to open the shells of bivalves. It also hold the tubed feet of the starfish.
to BREATH!
The primary function of external gills in aquatic animals is to exchanges gases. However, gas exchange is more difficult with external gills.