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10 Unbelievable Things You Never Knew About Dogs

These dog facts will blow your mind! Let your dog be the best that they can be. If they can dream it, Purina Pro Plan can help them achieve it!

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1.

While humans have around 9,000.
Shutterstock/Oksanika

While humans have around 9,000.

2.

Which is about the same level as a human toddler!
Shutterstock/Hywit Dimyadi

Which is about the same level as a human toddler!

3.

Dogs have a "left gaze bias" just like humans. When we look at faces, we tend to look at the left side first because the right side of the human face is better at expressing emotions.
Shutterstock/lantapix

Dogs have a "left gaze bias" just like humans. When we look at faces, we tend to look at the left side first because the right side of the human face is better at expressing emotions.

4.

Statistically, broader-headed dogs can pull heavier weights than narrow-headed dogs. But of course conditioning, nutrition, and other factors can also affect a dog's ability.
Shutterstock/Oksanika

Statistically, broader-headed dogs can pull heavier weights than narrow-headed dogs. But of course conditioning, nutrition, and other factors can also affect a dog's ability.

5.

A diet high in fat and protein will increase an active dog's metabolism and endurance.
Shutterstock/Oksanika / Via Facts from Purina Pro Plan

A diet high in fat and protein will increase an active dog's metabolism and endurance.

6.

Exercise is a natural stress that could temporarily weaken your dog’s immune system, and inadequate recovery time after exercise can also affect immunity.
Shutterstock/Oksanika / Via Facts from Purina Pro Plan

Exercise is a natural stress that could temporarily weaken your dog’s immune system, and inadequate recovery time after exercise can also affect immunity.

7.

V02 max is a measure of athletic ability. By approximation, an average person measures at 35, an average pro athlete measures at 82, and an average sedentary dog measures at 120.
Shutterstock/Oksanika / Via Facts from Purina Pro Plan

V02 max is a measure of athletic ability. By approximation, an average person measures at 35, an average pro athlete measures at 82, and an average sedentary dog measures at 120.

8.

They can reach speeds of 45mph.
Shutterstock/Hywit Dimyadi / Via Fact via akc.org

They can reach speeds of 45mph.

9.

Which is why "dog whistles" cannot be heard by humans. Dogs also have two times as many muscles in their ears than human ones.
Shutterstock/Hywit Dimyadi

Which is why "dog whistles" cannot be heard by humans. Dogs also have two times as many muscles in their ears than human ones.

10.

Their noses are 10,000 to 100,000 times better. On the lower end of the scale, to make an analogy: If humans could smell a third of a mile away, then dogs could smell more than 3,000 miles away.
Shutterstock/Hywit Dimyadi

Their noses are 10,000 to 100,000 times better. On the lower end of the scale, to make an analogy: If humans could smell a third of a mile away, then dogs could smell more than 3,000 miles away.

If your dog can dream it, they can do it!

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