1. How can you explain the existence on complex life on Earth knowing that all energy dissipates and seeks equilibrium, including atoms and molecules?

that is wrong, its not thymus.

i got you i did it ya know what it is just needing to fill this in for a quick task!

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.