Most meds safe to take while breastfeeding. HealthDay News -- Most medications and vaccines are safe for women to take while breastfeeding, according to updated guidelines from the American Academy of Pediatrics (AAP).
At maximal capacity, an average lung can hold almost six liters of air; however, lungs do not usually operate at maximal capacity. Air in the lungs is measured in terms of lung volumes and lung capacities . Volume measures the amount of air for one function (such as inhalation or exhalation) and capacity is any two or more volumes (for example, how much can be inhaled from the end of a maximal exhalation).
The term atelectasis, which is defined as diminished lung volume, is derived from the Greek words ateles and ektasis, which mean incomplete expansion (see the image below). Atelectasis may affect all or part of a lung, and it is one of the most common radiographic abnormalities.he term atelectasis, which is defined as diminished lung volume, is derived from the Greek words ateles and ektasis, which mean incomplete expansion (see the image below). Atelectasis may affect all or part of a lung, and it is one of the most common radiographic abnormalities.