Question

Refer to fig. 7.3 and answer the following questions: 

(i) Impure blood is received by 
(ii) Which chamber has thickest wall 
(iii) Function of bicuspid value 
(iv) Function of tricuspid value 

Answer 1

(i)Inferior vena cava, superior vena cava and coronary sinus
(ii) Ventricles
(iii) Function of bicuspid valve: It prevents the reverse flow of blood from the left ventricle into the left auricle.
(iv) Function of tricuspid valve: It prevents the reverse flow of blood from the right ventricle into the right auricle.