Your mom keeps telling you that eating a healthy breakfast will help you do better in school. To see if she is right you eat a bowl of cereal with fruit and drink a glass of juice for breakfast for one month. For the next month you eat three cookies and drink a can of soda. At the end of each month, you record your grades in all your classes to see if she was right. What is the dependant and independent variable

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