The White Whale. 1  Belugas (Delphinapterus leucas) are one of the most recognizable and popular whales because of their white skin colour and âsmilingâ upturned mouth. They are extremely sociable mammals that live, hunt, and migrate together in pods, ranging from a few individuals to hundreds of whales.
Here's what these terms mean: 1  Pace: Your immediate pace in minutes per mile or kilometer. 2  Average Pace: Your cumulative average pace for your current session in minutes per mile or kilometer.
Your heart normally beats in a regular rhythm and rate that is just right for the work your body is doing at any moment. The usual resting heart rate for adults is between 50 to 100 beats per minute.Children have naturally higher normal heart rates than adults.our heart normally beats in a regular rhythm and rate that is just right for the work your body is doing at any moment. The usual resting heart rate for adults is between 50 to 100 beats per minute.