When caring for children with respiratory issues in relationship to the anatomy and physiology of the child’s respiratory system, it is important to recognize which of the following?

Full development of the lungs and respiratory organs involved does not occur until the child is an adolescent

As soon as the child is born, respiratory passages needed during fetal life close

The newborn uses the thoracic muscles to breathe, and as they grow they begin using the abdominal muscles to breathe

The diameter of the child's airways are much smaller than the adult