Since the infant's lungs have only one-tenth as many air sacs as the lungs of adults,newborns are susceptible to __________ problems.

A) circulatory
B) respiratory
C) neurological
D) gastrointestinal

Air Sacs

Small, balloon-like structures in the lungs where oxygen and carbon dioxide are exchanged with the blood.

Newborns

Infants in their first few weeks of life, typically considered up to one month old.

Respiratory Problems

Health issues affecting the organs and tissues that make gas exchange possible, like the lungs and airways.