(Downloading may take up to 30 seconds. If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.
Fig. 1. A 15 s segment of the electrocardiogram, instantaneous heart rate (beats
min–1), and respiratory impedance (inspiration upward) trace
from a quietly resting 16 day-old male harbour seal pup in eupnoea.
