The Adrenal Gland Flashcards

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Where are the adrenal glands found in the body?

On top of each kidney.

What type of glands are the adrenal glands?

Endocrine glands that release hormones into the blood.

Which hormone from the adrenal glands prepares the body for 'fight or flight'?

Adrenaline.

What triggers the adrenal glands to release adrenaline?

Nerve signals from the brain during fear or stress.

How does adrenaline affect heart and breathing rates?

It makes the heart beat faster and increases breathing rate.

How does adrenaline change blood flow in the body?

It sends more blood to the muscles and less to the gut and skin.

How does adrenaline affect blood glucose levels?

It causes the liver to release glucose, raising blood glucose for energy.

What is the overall purpose of the changes caused by adrenaline?

To prepare the body for quick action, like running or fighting.

Is the action of adrenaline fast or slow, and short- or long-lasting?

It is fast and short-lived.

Which part of the adrenal gland makes adrenaline?

The adrenal medulla.

How is adrenaline carried from the adrenal glands to target organs?

In the blood.

Name one other change caused by adrenaline in the body.

Pupils widen to let in more light.