Adrenal or suprarenal glands produce a variety of hormones including adrenaline and the steroids; aldosterone and cortisol. It is present just above the kidneys. Each gland has an outer cortex which produces steroid hormones and an inner medulla. The adrenal cortex produces three main types of steroid hormones: mineralocorticoids produces aldosterone, glucocorticoids produces cortisol and androgens mainly produces male sex hormones DHEA and testosterone. Hormones secreted by the adrenal medulla are epinephrine or adrenaline and norepinephrine, also known as noradrenaline, this hormone works with epinephrine in responding to stress. Function of adrenaline includes increasing the heart rate, increasing blood pressure, expanding the air passages of the lungs etc...