Blood passes from the right ventricle to the lungs via the pulmonary artery (the only artery in the body that contains deoxygenated blood. veins. In the circulatory system, a vein is a blood vessel that carries blood back toward the heart (as opposed to artery, a blood vessel carrying blood away from the heart).
Eligibility: The child must be 4 years of age by August 31st of their Pre-Kindergarten year. Children selected for participation should qualify as evidenced by multiple criteria (developmental screening, parent observation and teacher observation). Schools of choice and employee requests are non-applicable.
States use public dollars to fund pre-k programs in a variety of settings, including public schools, private non-profit and for-profit centers, and in regulated home childcare.Typically states fund preschool for three-, four-, and five-year-old children who have missed a cut-off date for enrollment in kindergarten. Assessment of program outcomes has been difficult, largely due to the lack of data and newness of universal pre-k around the nation. 2  Studies in the US have not fully demonstrated the long term benefit of pre-k to middle income children, although studies in Australia and New Zealand with comparable demographics have.