Adrenal Gland sit on top of you kidneys and are very important they secret hormones that your body needs to function properly
Can We Live Without Both Adrenal Glands ?
While I'm not sure what exactly would happen to someone missing an adrenal gland, I believe the person would experience severe adrenal fatigue. This would leave them feeling very fatigued and having very little energy. Source: Adrenal fatigue treatment.