With a simple set of bolt-ons â like an intake, tune, and exhaust â we have no reservations that the EcoBoost will run with a GT, all while being able to achieve 32+ miles per gallon. Weâve seen Focus STâs pick up 30 horsepower and 50 lb/ft of torque to the wheels on just tunes.
The ductus arteriosus connects the pulmonary artery to the aorta, the ductus venosus connects the umbilical vein to the inferior vena cava, and the foramen ovale allows blood to go directly from the right atrium to the left atrium. The pathway of blood through the fetal circulation system is as follows:
The umbilical cord grows from the placenta to the babyâs navel. It allows blood to flow from mother to baby, and back again. The motherâs blood and the babyâs blood are filtered through the placenta, but they never actually mix. The placentaâs primary jobs are to: move oxygen into the babyâs bloodstream.