Chemical messengers of the body
The master controllers
Metabolism and energy
Stress and survival
YOUR GOAL
Master of The human endocrine system
artiteacher Stress and survival
Cut the engine to my stomach, send the fire to my feet!
artiteacher The pineal gland secretes melatonin in response to darkness, acting as the body's natural signal that it is time to sleep.
artiteacher Cortisol helps the body handle prolonged stress by mobilizing energy reserves, but chronic high levels can suppress the immune system.
artiteacher Slide hormone levels to learn how your body balances salt and water.
Adrenaline speed: When you get startled, adrenaline can flood your entire bloodstream and alter your heart rate in less than two seconds.
A steroid hormone produced by the adrenal cortex that regulates metabolism and immune function. In 1937, Tadeusz Reichstein first isolated this hormone, which manages bodily reactions to prolonged life threats.
Which hormone produced by the adrenal cortex helps regulate salt and water balance in the kidneys?
Which glands, sitting directly on top of the kidneys, produce adrenaline and cortisol?
What hormone is released to trigger the immediate physical changes of the 'fight-or-flight' response?
What happens to digestion and immune function during an acute 'fight-or-flight' response?
Where is the pineal gland, which produces melatonin, located in the human body?
Which hormone, produced by the pineal gland, regulates the body's sleep-wake cycle?
How does exposure to artificial blue light from screens affect melatonin levels?