(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)


Fig. 1. Values of cardiac parameters recorded from spontaneously beating yellowfin tuna hearts in situ at temperatures of 10 to 25 °C. (A) Heart rate, (B) stroke volume, (C) cardiac output, (D) myocardial power output. Standard conditions are shown as open symbols, maximal conditions as filled symbols. N=5 at 15 and 20 °C, N=4 at 10 and 25 °C. Values are means ± S.D. One value is given for heart rate at 7.4 °C.