Book Lungs In Gills
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.
Book lungs in gills. Btw scorpions and spiders ain t insects hope it helps. Creatures like primitive spiders have book lungs they live in air but usually down low where there. Spiders consist of peculiar book lungs leaflike plates over which air circulates through slits on the abdomen.
The largely terrestrial arachnids may have book lungs that occupy a similar position in the circulatory. Each book gill looks like a flap and as they move they push water over the lamellae which are the thin membranes located within the book gills. A both assertion and reason are true and reson is the correct explanation of assertion.
R excretion takes place through malpighion tubule is in arthropods. Book lungs and book gills are the respiratory system found in phylum arthropoda. Book gills are type of gills found in some aquatic arthropods like horshoe crab and composed of numerous membranous structures arranged like leaves of the book resembling the closed book.
Fish and aquatic animals have gills for breathing. Fish and other aquatic creatures like most crabs have gills to extract oxygen out of the water. B both assertion and reason are true but reason is not the correct explanation of assertion.
The four pairs of book lungs are located in the third fourth fifth and sixth mesosomal segments. Book lungs are sac like structures within which there are delicate folds that are arranged like the leaves of a book. Limulus has a series of book gills gills arranged in membranous folds on either side of the body into which blood from the ventral sinus passes for oxygenation prior to return to the heart.
Microwhip scorpions harvestmen acarina pseudoscorpions ricinulei and sunspiders. Gills are the organs that are specialized organs to perform respiration in water just like lungs are specialized organs to breath in air. In book gills we have arthropods like limulus also known as living fossil and in book lungs we have organisms like scorpions and spiders.