Jaylen placed a toy car and a line rump. the car slowly move down the ramp. do you think the surface of the ramp would have affected the speed at which the car went? explain by citing which source support this phenomenon​

blah

explanation: bc blah

idk

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.  

answer; increases;