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. The normal resting adult heart beats regularly at an average rate of 60-100 times per minute. How fast the heart beats (heart rate) is governed by the speed of electrical signals originating from the pacemaker of the heart, the SA node.. The normal resting adult heart beats regularly at an average rate of 60-100 times per minute. How fast the heart beats (heart rate) is governed by the speed of electrical signals originating from the pacemaker of the heart, the SA node.