A factors or conditions within an experiment that is kept the same is called the Question 1 options:

dependent variable

the hypothesis

independent variable

control variableA factors or conditions within an experiment that is kept the same is called the

Question 1 options:

dependent variable

the hypothesis

independent variable

control variable

A factors or conditions within an experiment that is kept the same is called the=Control variable

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.