In fetal circulation, the bypasses the liver and the bypasses the lungs. ligamentum venosum; ligamentum arteriosum foramen ovale; ductus venosus ductus arteriosus; ductus venosus ductus venosus; ductus arteriosus ligamentum arteriosum; foramen ovale

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.