Once Upon a Time... Life (1987)
S1E8 Breathing
Title: Inhalation Plot: Air bubbles journey from the nasal passages to the lungs. Within the murky, mucus-laden regions, they encounter red blood cells, which carry them throughout the body.
Title: Inhalation Plot: Air bubbles journey from the nasal passages to the lungs. Within the murky, mucus-laden regions, they encounter red blood cells, which carry them throughout the body.