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.
Heart rate, also known as pulse, is the number of times a person's heart beats per minute. Normal heart rate varies from person to person, but a normal range for adults is 60 to 100 beats per minute, according to the Mayo Clinic. However, a normal heart rate depends on the individual, age, body size, heart conditions, whether the person is sitting or moving, medication use and even air temperature.