What’s one way to know you’re in the presence of a giant whale? A blue whale’s heartbeat can be heard from more than two miles away! Their heart is the size of a small car, and beats only 8-10 times per minute.
What’s one way to know you’re in the presence of a giant whale? A blue whale’s heartbeat can be heard from more than two miles away! Their heart is the size of a small car, and beats only 8-10 times per minute.