A course in human biology.
The exchange of gases between the cells and the blood in the capillaries and between the blood and the air.
Film facilities provided by: Royal College of Surgeons; Institut fur den wissenschaftlichen; Film Gottingen; Dr. I. M. Hancocks; Dr. V. E. Negus; Pfizer Ltd.
A BBC Educational broadcast
Repeated on Tuesday at 11.25 p.m.
For details of booklet see page 55