Introduction- Page 3 Nervous control of heart beat - Page 4 Hormonal control- Page 5 Hypothesis/null hypothesis- Page 6 Health and safety- Page 7 Variables- Page 8 Materials and method- Page 9 Results- Page 10 Discussion- Page 11-16 Evaluation- Page 17 Bibliography - Page 18-20 Appendix ...

Aim: To investigate how exercise affects heart rate. Introduction: The heart is rate is how many times the heartbeats in a certain period, normally a minute; this gives the unit bpm (beats per minute). During rest, the heart beats about 70 times a minute in the adult male, while pumping about 5 li...

High altitude has long been known to have effects on humans. High altitude is classified as being between 1500 meters to 3500 meters above sea level; very high altitude is classified as being between 3500 meters to 5500 meters, while extreme altitude is anything above 5500 meters (Wilkerson...