If they didn't have any muscles they wouldn't be able to move, stand or even breathe. Just because the muscles aren't visible as separate bumbs and lumps doesn't mean they aren't there.
Yes, they can be both separate or related.
every human has 10 separate abdominal muscles. in order for the muscles to look normal you need to have a long abdoman.
Yes it does.
myology is the specialized study of muscles and muscles tissues
It means they (muscles) are very strong
You mean the pectoral muscles, aka pecs. They're your chest muscles.
Muscles in the human body are covered by a connective tissue layer called fascia. Fascia provides support and protection to the muscles, helping them move smoothly and efficiently. It also helps separate and compartmentalize muscles, allowing them to function independently.
Voluntary muscles are those muscles that can be moved by the conscious effort and the will of an individual.
to be buffed and lots of muscles
Pecs is a shortened version of "pectorals" --the chest muscles above the "abs" (abdominal muscles).
Abs, or abdominal muscles, are the muscles you contract to perform a sit-up. An exceptionally lean person may have what is colloquially known as a six-pack.