Definition of gastrovascular. : functioning in both digestion and circulation the gastrovascular cavity of a coelenterate.
Earth's Circumference at the Equator: 24,901.55 miles (40,075.16 km). Earth's Circumference Between the North and South Poles: 24,859.82 miles (40,008 km). Earth's Diameter at the Equator: 7,926.28 miles (12,756.1 km). Earth's Diameter at the Poles: 7,899.80 miles (12,713.5 km). Average Distance from the Earth to the Sun: 93,020,000 miles (149,669,180 km).
But, if you measure the earth through the poles the circumference is a bit shorter - 24,859.82 miles (40,008 km). This the earth is a tad wider than it is tall, giving it a slight bulge at the equator.