Working mechanism of heart of frog
Answers
The frog heart has 3 chambers: two atria and a single ventricle. The atrium receives deoxygenated blood from the blood vessels (veins) that drain the various organs of the body. The left atrium receives oxygenated blood from the lungs and skin (which also serves as a gas exchange organ in most amphibians).
Answer:
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• Closed and incomplete double circulation
•Its function is to transport food , gases and hormones to various parts of the body
*MECHANISM:
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• Heart of a frog is three chambered
• Two atrium and one ventricle
• Now the left atrium gets the oxygenated (pure) blood from the gills/skin /lungs
• The right atrium gets the deoxygenated blood from other body parts
• The blood from right and left atrium is pumped to the ventricle
• So the ventricle receives mixed blood and pumps out this mixed blood to all parts
• And again this blood goes to gills /lungs/ skin , gets oxygenated and comes to left atrium and deoxygenated blood comes to right atrium and the process continues.
• This circulation is also called as Transitional double circulation or Incomplete Double circulation