Polar bears are struggling to survive in the desert because their fur is very thick. They can become too hot and die. Also, the desert is not their original habitat so they ar â¦ e not used to it.
The human heart beats approximately 70 to 85 times per minute in the average adult, with a notable difference between the genders. The average adult male heart rate is between 70 and 72 beats per minute, while there average for adult women is between 78 and 82 beats.This difference is largely accounted for by the size of the heart, which is typically smaller in females than males.he average adult male heart rate is between 70 and 72 beats per minute, while there average for adult women is between 78 and 82 beats.
A normal resting heart rate is usually 60-100 beats per minute. Your number may vary. Children tend to have higher resting heart rates than adults. The maximum heart rate is, on average, the highest your pulse can get. To calculate your predicted maximum heart rate, use this formula: 220 - Your Age = Predicted Maximum Heart Rate. For example, a 40-year-old's predicted maximum heart rate is about 180 beats per minute. Your actual maximum heart rate can be determined by a graded exercise test.