Spiders (Araneae) are unique regarding their respiratory system: they are the only animal group that breathe simultaneously with lungs and tracheae. Looking at the physiology of respiration the existence of tracheae plays an important role in spiders with a well-developed tracheal system.
The tracheal tubes mainly inject oxygen directly into the tissues of the animals in the respiratory system of insects. The spiracles can be easily opened and closed to reduce the loss of water. Therefore, the cockroach's respiratory organs are spiracles.
Grasshopper cannot breathe like human beings because they don`t have lungs for respiration. It is through these spiracles that the oxygen rich air enters the body of grasshoppers and reach all the cells by passing through chain of trachea and tracheoles.
Spider BrainOne of the most amazing things about spiders is how much they can accomplish with such a small brain. The spider's central nervous system is made up of two relatively simple ganglia, or nerve cell clusters, connected to nerves leading to the spider's various muscles and sensory systems.
Insects, however, got triple-whammied in this department because of the way they breathe. While crustaceans breathe via gills and spiders use gill-like structures called book lungs, insects employ a different system. They get oxygen through tubes called tracheae.
Structure and function. Book lungs are not related to the lungs of modern land-dwelling vertebrates. Their name describes their structure and purpose. Stacks of alternating air pockets and tissue filled with hemolymph give them an appearance similar to a "folded" book.
Living scorpions have four pairs of book-lungs, each pair situated above a sternite on the ventral surface of the mesosoma (anterior abdomen) and each book-lung opening to the outside through a stigma which perforates the sternite.
Since fishes are smaller in size they will have a much higher breathing rate. So, the correct option is 'fish'.
“Flushed spiders will drown if they end up submerged in the sewer,†Jerome Rovner, a member of the American Arachnological Society, told Real Clear Science. “However, the drowning process for a spider can take an hour or more, as they have an extremely low metabolic rate and thus a very low rate of oxygen consumption.â€
Tarantulas have two sets of book lungs, for four book lungs in total. This number actually makes them fairly unique among spiders. Most other arachnids only have one pair of book lungs, and some spiders have no book lungs at all, instead breathing through tracheal tubes, like insects do.
Like us, fish also need to take in oxygen and expel carbon dioxide in order to survive. But instead of lungs, they use gills. Gills are branching organs located on the side of fish heads that have many, many small blood vessels called capillaries. Fish aren't the only undersea organisms to use gills, however.
The majority of land snails are pulmonates that have a lung and breathe air. Most of the non-pulmonate land snails belong to lineages in the Caenogastropoda, and tend to have a gill and an operculum.
Respiratory system
Terrestrial arthropods possess tracheae and book lungs as respiratory organs. Tracheae are a system of tiny tubes that permit passage of gases into the interior of the body. Most spiders possess tracheae and book lungs, but large spiders (such as tarantulas) and scorpions possess book lungs alone.As these millions of alveoli fill up with air, the lungs get bigger. It's the alveoli that allow oxygen from the air to pass into your blood.
The chelicerae, which give the group its name, are the only appendages that appear before the mouth. In most sub-groups, they are modest pincers used to feed.
: a gill found in the horseshoe crabs that consists of membranous folds arranged like the leaves of a book.
Tracheoles are fine tubes that make up part of the respiratory system of insects. Air enters the insect's body through the spiracle and enters the trachea. Gases move by diffusion within the tracheal system. When the insect is less active the ends of the tracheoles contain fluid.
: either of the second pair of appendages of various arthropods (such as an arachnid or horseshoe crab) that lie on each side of the mouth and often perform a specialized function (such as grasping or feeling)
The respiratory structures of Limulus are gills, and in Palamnaeus are – lungs.
: any of a phylum (Arthropoda) of invertebrate animals (such as insects, arachnids, and crustaceans) that have a segmented body and jointed appendages, a usually chitinous exoskeleton molted at intervals, and a dorsal anterior brain connected to a ventral chain of ganglia.
The airway that leads from the larynx (voice box) to the bronchi (large airways that lead to the lungs). Also called windpipe. Anatomy of the respiratory system, showing the trachea and both lungs and their lobes and airways.
Most amphibians breathe through lungs and their skin. Tadpoles and some aquatic amphibians have gills like fish that they use to breathe. There are a few amphibians that do not have lungs and only breathe through their skin.
Spiders are not insects. While spiders and insects are distant ancestors, they are not the same type of animal. Both insects and spider are invertebrates with an exoskeleton, though there are a handful of characteristics that set insects apart from spider.
Spiders differ from insects, crustaceans and other members of the phylum Arthropoda by having two body parts rather than the three of insects and crustaceans, and the multiple body parts of other arthropods. They also completely lack antennae, the only arthropod group to lack these sensory organs.
Through Plasma Membrane. In unicellular animals, such as amoeba, exchange of gases takes place through cell surface. They absorb oxygen from the surrounding air or water and give out carbon dioxide through plasma membrane by diffusion.
