One portion of a homeostatic feedback mechanism carries output from the control center to the organ that carries out the response. what is the term for this portion?

What is the rate of change in a objects position?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Avertical clean glass piezometer tube has an inside diameter of d = 1 mm and is used to measure pressure in a horizontal pipe carrying water as shown. due to pressure in the pipe, the water at 20c rises into the tube to a height h. if the water pressure in the pipe is p = 500 pa gauge, estimate the height h: (a) without considering surface tension (b) with surface tension (capillary) effects. the contact angle  can be assumed at 30 deg