Hard to say without knowing the size of the bumps, where they are, what they look like, etc. I would expect a skin condition. It could be as simple as an allergy. I'd be more concerned if the number or size of the bumps is increasing. Also, of these turn out to be open sores. Talk to your vet -- and ask about prednizone.
dogs have a nerve in there body that gives them the color of there coat and there coat.
Dogs with hair have a single coat that grows continuously, while dogs with fur have a double coat with a soft undercoat and a coarser outer coat.
All mammals have nipples, even male mammals-thoughs bumps are nipples.
Shave it
No actually it is common for men to have small white bumps under the head of their penis, these bumps can be removed by your dermatologist with a laser treatment that is virtually painless.
Treatment will depend on the cause of the bumps. A vet will best be able to determine the cause and proper course of treatment.
This is probably canine acne or localized dermatitis/folliculitis. You should have this seen by a veterinarian to determine the exact cause and provide treatment.
Dogs have bumps on their face called whisker pads, which are clusters of thick, sensitive hairs called whiskers. Whiskers help dogs sense their surroundings by detecting changes in air currents and vibrations, aiding in navigation and communication.
if he was fat.
Bumps under the skin.
Dogs with spotted skin under their fur often have a coat pattern that includes spots or patches of different colors. This trait is commonly seen in breeds like Dalmatians, Australian Cattle Dogs, and Catahoula Leopard Dogs. Spotted skin is a result of genetics and can vary in size, shape, and color.
merle