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.
A normal resting heart for average adults is anywhere from 60 to 100 beats per minute, or BPM. If you happen to be very active or an athlete in training, your resting heart rate might be even lower, around 40 BPM, because exercise makes your heart stronger and more efficient at delivering oxygenate blood to your cells.