- A human has 20 milk teeth and 32 permanent teeth.
- A puppy has 28 milk teeth, and most adult dogs have 42.
- Most humans can't hear beyond 25 yards.
- Dogs can hear sounds 250 yards away, and they have twice as many muscles for moving their ears as people do.
- Humans have a visual range of 180 degrees.
- Dogs have a visual range of 250 degrees. On the other hand, we have a larger range with clear focus, and less peripheral vision.
- A normal breathing rate for an adult is 8 to 16 breaths per minute.
- Dogs take between 10 and 30 breaths per minute.
- Most humans' hearts beat 70 to 80 times a minute.
- A dog's heart beats between 70 and 120
- Humans cool off by sweating.
- Dogs cool off by panting, and through the pads of their feet.
~ Maria Sadowski ~
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