Final Synthesis. Describe how a cell that is FIXED can be used to estimate the time spent in the phases of mitosis. Explain the process you used to determine the times for each phase

b a mature ovary of a plant.

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.