The sinus venosus is located on

The sinus venosus and conus arteriosus in the heart of frog are present on which surface respectively

The sinus venosus and conus arteriosus in the heart of frog are present on and and surface respectively

Sinus venosus occurs on

Sinus venosus occurs on

Sinus venosus occurs on

____Node may be regarded as a remnant of sinus venosus is mammalian heart.

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

Brain is located in ………… while the spinal cord is located in …………... .

The interneurons are located in the