Phylum/Class | Excretory Organ | Circulatory Organ | Respiratory Organ |
Arthropoda Amphibia | Nephridia Metanephridia | Closed Open Closed | Lung/Gills/Tracheal System Skin/Para podia Lung |
Answer:
Excretion involves the
elimination of metabolic waste products from the animal body. Different organs
are involved in the process of excretion in different animals.
(a) In Arthropods,
the Malpighian tubules remove excretory products from haemolymph.
(b) In
Annelids, the excretory organ occurs as segmentally arranged coiled tubules
called nephridia
(c) In
Molluscas, excretion occurs by paired structures called organ of Bojanus also
called metanephridia.
(d) In
Amphibians mesonephric kidneys are associated with excretion.
Blood circulation
involves the circulation, of blood and lymph along with oxygen, carbondioxide,
hormones, blood cells, etc, within the body system for the nourishment of cells
, fighting diseases, and for stabilizing body temperature and pH.
Respiratory organs
are involved in the exchange of gases from the atmosphere.
Different
respiratory organs are as follows
(a) Lungs/gills/tracheal
system in arthropoda and molluscs.
(b) Skin in
annelids. (c) Lungs and
skin in amphibians.
Open Circulation
Closed
Circulation
In this, blood is pumped out
of the heart into sinuses which directly open into cells and tissues, e.g.,
phylum-Arthropoda, and Mollusca.
In this system, blood is
circulated through a series of complexly arranged vessels and capillaries e.g.,
phylum-Annelida and Class-Amphibia.
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