I know the answer!

But what do they do? Had to look it up to remind myself fully. "produce four main hormones: 1. Catecholamines or 'stress' hormones; 2. Aldosterone - This hormone helps to maintain the bodyâÂÂs salt and water levels which, in turn, regulates blood pressure; 3. Cortisol - This is another hormone involved in the stress response. It also helps to regulate the bodyâÂÂs metabolism; and 4. Androgens - eg, testosterone. These are involved in creating and maintaining the differences between males and females."

Thyroid glands

Kidneys

Kidneys

Kidneys

Yes, kidneys!

yep. ad means toward, and renal means kidney