Like, when you pet a dog/cat, their skin is sort of looser, they have a scruff of the neck and lots of rolls. But in humans, the skin is tight on the meat, even on the hairy parts like the scalp. Is there a reason for this?
In: Biology
Skin is divided into multiple layers and sections. Humans have a thin subcutaneous layer (under the skin) and above the fascia and muscle/fat compared to other animals. Cats, dogs and other animals have a thicker layer compared to humans. This later provides a slippery, loose structure compared to humans. For comparison, on a beagle you can easily inject 400-500mL of liquid under the skin while with a human it would be very difficult and painful to get more than approximately 100-200mL. It’s a common thing for pets to get this for dehydration, for humans you can look up “bagel heads”
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