Free Vision Screenings for Infants and Toddlers. The early years of life from birth until age five are crucial for a childâs visual development and eye health. The American Optometric Association recognizes how important it is to get your baby's vision off to a good start.
atrium(Noun) An upper chamber of the heart that receives blood from the veins and forces it into a ventricle. In higher vertebrates, the right atrium receives blood from the superior vena cava and inferior vena cava, and the left atrium receives blood from the left and right pulmonary veins.
Full Definition of CIRCULATION. 1. : orderly movement through a circuit; especially: the movement of blood through the vessels of the body induced by the pumping action of the heart.2.: flow. 3. the movement of blood through the vessels of the body that is induced by the pumping action of the heart and serves to distribute nutrients and oxygen to and remove waste products from all parts of the bodyâsee pulmonary circulation, systemic circulation.