answer the following questions.
1) prepare for this short essay.

find a tape that measures in cm. if yours only measures in inches, convert inches to cm's. measure your height and type it below; now measure the length of your arms stretched out from fingertip to fingertip and type it below, now divide the two numbers and type the answer below. the closer the answer is to 1, the more "square" you are. if it is not 1, you are a rectangle. professional basketball players are often rectangles because their arms are so long!

ucd e e. rr. t t t t t t. to

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.

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.