Frog Heart Valves
Sept. 6, 2024
The biology of the frog. Frogs. XV THE CIRCULATORY SYSTEM 265 walled sinus venosus; at the two anterior angles of the sinus theprecaval'veins, or anterior vena cav<z, enter; the poste- var.c/l FROG: CIRCULATORY SYSTEM A manual of elementary zoology . Zoology. THE FROG ; VISCERA AND VASCULAR SYSTEM 55 Thus the blood from the left auricle (and therefore from the lungs), which is the last Frog Heart Valves