The pancreas for example secretes insulin( a hormone) directly into the blood in response to the blood glucose level. Lastly, a seizure is a type of involuntary movement. Seizures like a grand mal seizure is a storm of electrical activity in the brain that causes uncontrollable muscular movements.
The noun DAMPER BLOCK has 1 sense: 1. damper consisting of a small felted block that drops onto a piano string to stop its vibration. Familiarity information: DAMPER BLOCK used as a noun is very rare.
The Field Vent Damper is installed in the vent pipe, after the draft hood, or barometric. During off cycles, it remains closed, preventing air flow through the vent. When there is a call for heat, the motor is energized, rotating the damper 90 degrees to an open position. Opening and closing takes approximately 15 seconds. When the damper is fully open, the burner is allowed to fire and flue gases pass freely through the vent. When the thermostat is satisfied, the burner stops, and the damper automatically closes.