Interesting biology
It took dogs 0.06 seconds to determine which direction the sound was coming from.
Bats make up 1/5 of the mammals on earth
On avarge, the human skeleton weighs 13 kg.
A person exhales 23 000 times a day
The longest- lived cat was 38 years and he lived 3 days
Salt accelerates the agning of the human body.
It has been found that 15-18% more milk is given when music is played while milking cows
Only sharks can close both eyes at once in the water
Vitamin C in spruce is 8 times more than in orange
The total length of human veins is 600 km
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