Apiece of iron at 25 °c is dropped into a glass of water at 15 °c. which statement is correct? heat will flow from the iron to the water in the glass until both reach the same temperature. heat will flow from the water in the glass to the iron until both reach the same temperature. the final temperature of the water in the glass and the iron will be 25 °c. the final temperature of the water in the glass and the iron will be 15 °c.

Heat will flow from the iron to the water in the glass until both reach the same temperature.

Explanation:

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.