Coronary sinus carries ____ to the right atrium.

A triangular structure that joins the right atrium of heart in frog is called

Regarding the blood vascular system of frog, some statements are given below.Check whether these are True or False and make corrections if necessary. a) Open type. b) Sinus venosus join the right atrium. c) RBC is non-nucleated. d) Circulation is achieved by the pumping action of the heart.

_____ valve that guards the opening of coronary sinus in right artrium.

Name the following: Blood vessels carrying blood to the left atrium

Deoxygented blood from the cardiac muscles drains into the right atrium by the ______.

Observe the following statements. a) Right atrium received deoxygenated blood from body parts.b) Pulmonary vein carries oxygenated blood to the left atrium