In this case, the damper is normally opened by the force of the spring but can be closed by the force of the motor. Removal of electrical power re-opens the damper. This style of damper is advantageous because it is fail safe; if the control to the damper fails, the damper opens and allows air to flow.
The adrenal glands, located on the top of each kidney, are responsible for releasing different hormones. Adrenal gland disorders occur when the adrenal glands produce too much or too little of these hormones.
The adrenal gland is actually two glands that are fused together into one gland. The outer part of the adrenal gland also called the adrenal cortex produces steroid hormones that are involved in regulating a number of different body functions.he adrenal gland is actually two glands that are fused together into one gland. The outer part of the adrenal gland also called the adrenal cortex produces steroid hormones that are involved in regulating a number of different body functions.