Sentences with phrase «negative feedback system»

Cortisol and the HPA axis operate a complicated negative feedback system to control the stress response with hormones like adrenaline, and also to bring it quickly back into balance once the stress or threat has subsided.

The pill uses the body's negative feedback system to prevent ovulation and implantation of an embryo, in the same way the hormones provided by the placenta halt the female cycle during pregnancy.»

This negative feedback system may make ending judicial elections difficult.

When cortisol is present in sufficient (or excess) amounts, a negative feedback system operates on the pituitary gland and hypothalamus, which alerts these areas to reduce the output of ACTH and CRH in accordance with each other.

Especially as the supporters of CAGW have yet to explain how they expect CO2 to drive positive feedbacks into water vapor and how they can ignore that water vapor is a negative feedback system.