Who would win? shaggy or big chungus?

answer:

shaggy. big chungus got meat, but shaggy can use 1000% of his brain power and could snap big chungus back to looney tunes real quick.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.