Q. Spiral valve is present in

A) Right auricle
B) Sinus venosus
C) Right ventricle
D) Truncus arteriosus
Explanation

Spiral valve is present in truncus arteriosis of amphibian heart guiding flow of different types of blood in the aortic arches.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.