Osmosis is a form of that involves the movement of molecules from an area of water concentration to an area of water concentration. Water molecules diffuse across a membrane. The movement of water helps to out the other molecules inside of a cell. (7 marks) a) Which process is responsible for the movement of pen ink in water? Is it OSMOSIS or it is diffusion

How does the closing of the ductus arteriosus and ductus venosus alter circulation in an infant? a. increases blood flow to the pulmonary artery and increases blood flow to the umbilical vein b. increases blood flow to the pulmonary artery and reduces blood flow to the umbilical vein c. reduces blood flow to the pulmonary vein and increases blood flow to the umbilical artery d. reduces blood flow to the pulmonary vein and reduces blood flow to the umbilical artery