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प्रश्न
In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?
विकल्प
Pisces and amphibians
amphibians and reptiles
amphibians only
Pisces only
उत्तर
Pisces only
In Pisces, the heart does not pump oxygenated blood to different parts of the body. This is because Pisces have a two-chambered heart with one auricle and one ventricle. Since both the auricle and ventricle remain undivided, only deoxygenated blood passes through it. The deoxygenated blood then enters the gills for oxygenation from the ventricle.
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संबंधित प्रश्न
From the following terms, choose one term which includes the other four:
Plasma, Platelets, Blood, RBC, WBC
How many chambers are there in the heart of an amphibian?
How many chambers are there in the heart of a fish?
An animal having double circulation in a three-chambered heart is:
Give a scientific reason.
Closed circulation is more efficient than open circulation.
Define haematology.
Draw the chart of double circulation and label A, B, C and D.
In single blood circulation, deoxygenated blood is pumped from ______ towards gills, where it undergoes oxygenation.
Identify the CORRECT statement regarding pulmonary circulation.
Choose the correct statement that describes arteries.
