" Q.5What is sinus arthythmias? "

What is Sinus arrhythmias ?

What is sinus venosus?

What is Perivisceral sinus?

Three chambered heart with sinus venosus, moist skin without scale and tympanum represents ear, are characteristics feature of :

Heart lacks sinus venosus in

What is correct about sinus venosus

A: In frog, sinus-venosus is present. R: In mammals and birds are remnant of sinus venosus has taken part in the formation of SA node.

The coronary sinus in the heart is situated along its

The coronary sinus in the heart is situated along its