Question

In which animals blood does not supply oxygen?

Answer 1

Heya !!!

Here's your answer !!!

In some members of Class Insecta , Crustacea and Arachnida of Phylum Arthropoda of Kingdom Animalia , the blood doesn't supply oxygen....

It's because of absence of respiratory pigment in those organisms...

Example : Cockroach (Periplaneta americana )...

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Answer 2

Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.[

A grasshopper has an open circulatory system, where hemolymph moves through interconnected sinuses or hemocoels, spaces surrounding the organs. Arthropod blood does not carry hemoglobin.



Above is a diagram of an open circulatory system. An open circulatory system is made up of a heart, vessels, and hemolymph. This diagram shows how the hemolymph, fluid present in most invertebrates that is equivalent to blood, is circulated throughout the body of a grasshopper. The hemolymph is first pumped through the heart, into the aorta, dispersed into the head and throughout the hemocoel, then back through the ostia that are located in the heart, where the process is repeated.

Hemolymph, or haemolymph, is a fluid, analogous to the blood in vertebrates, that circulates in the interior of the arthropod body remaining in direct contact with the animal's tissues. It is composed of a fluid plasma in which hemolymph cells called hemocytes are suspended. In addition to hemocytes, the plasma also contains many chemicals. It is the major tissue type of the open circulatory system characteristic of arthropods (e.g. arachnids, crustaceans and insects).[1][2] In addition, some non-arthropods such as molluscs possess a hemolymphatic circulatory system.