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  • Heart of frog differs from that of man by presence ofOption: 1 Two aortaeOption: 2 Mitral v

Heart of frog differs from that of man by presence of

Option: 1

Two aortae


Option: 2

Mitral valve


Option: 3

Sinus venosus


Option: 4

Four-chambers

 


Answers (1)

best_answer

 Circulatory System in Frogs

Blood Vascular System

  • The vascular system of a frog is a well-developed closed type. 
  • The blood-vascular system involves the heart, blood vessels and blood. 
  • Heart is a muscular structure situated in the upper part of the body cavity. 
  • It has three chambers, two atria and one ventricle and is covered by a membrane called the pericardium. 
  • A triangular structure called sinus venosus joins the right atrium. It receives blood through the major veins called the vena cava.
  • The ventricle opens into a sac-like conus arteriosus on the ventral side of the heart.
  • The blood from the heart is carried to all parts of the body by the arteries (arterial system).
  • The veins collect blood from different parts of the body to the heart and form the venous system
  • A special venous connection between the liver and the intestine is called the hepatic portal system is present in frogs. 

 

A triangular structure called sinus venosus joins the right atrium. It receives blood through the major veins called the vena cava.

 

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