Adrenaline

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/adrenaline

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the chemical classification?Catecholamine hormone and neurotransmitter
2. What is the primary synthesis site?Adrenal medulla (chromaffin cells)
3. Why does my heart beat faster when I see a scary movie?When your brain thinks something is dangerous, it tells the adrenal glands to release adrenaline, which makes your heart beat faster and pumps more blood.
4. How does adrenaline help my muscles move fast?Adrenaline sends signals that make your muscles get more blood and energy from sugar, so they can run or jump really fast.

Catecholamine: A group of monoamine compounds derived from amino acids, including adrenaline, noradrenaline, and dopamine.
Sympathetic Nervous System: Part of the autonomic nervous system that prepares the body for intense physical activity ('fight or flight').
Glycogenolysis: The breakdown of glycogen (stored glucose) into glucose, primarily in the liver and muscles.