How Book Lungs Work

Blood is passed over a large surface area to absorb oxygen.

How book lungs work. Your lungs are a pair of organs in your chest. It has pronunciations in parentheses and terrific pictures along with the text and in the glossary. There are slits on the belly of the arachnid that allow air to enter and exit the book lungs.

At the same time carbon dioxide a waste gas moves from your blood to the lungs and is exhaled breathe out. Slim goodbody s body buddies paperback january 1 2009 by john burstein author visit amazon s john burstein page. One of the long running controversies in arachnid evolution is whether the book lung evolved from book gills just once in a common arachnid ancestor or whether book lungs evolved separately in several groups of arachnids as they came onto land.

How do my lungs work. Your body also needs to get rid of carbon dioxide. The book lungs contain blood vessels that bring the blood into close contact with the surface exposed to the air and where gas exchange between blood and air occurs.

They have a spongy texture and are pinkish gray in color. The openings of the book lungs branchial opercula are situated on the ventral surface of the abdomen and may be closed to prevent water loss. In addition to spider.

The remarkable respiratory system. Find all the books read about the author and more. Every cell of the body needs oxygen to stay alive and healthy.

This gas is a waste. Book lungs are believed to be the ancestral type of respiratory organ in arachnids. A dictionary of zoology michael allaby.