Engine Check Slides MY BODY'S ENGINE
How does your engine run?
Your Amazing Body
The Heart
Pumping blood to your whole body.
The Lungs
Breathing in oxygen to keep you going.
The Brain
The computer that controls it all.
Two Ways to Run
Fast Gear
When we run, jump, or play sports.
Heart beats fast
Fast breathing
Slow Gear
When we sleep, read, or relax.
Heart beats steady
Deep, slow breaths
ENGINE CHECK!
Place two fingers on your wrist or neck.
Feel the steady "thump-thump".
Now... let's do 10 Jumping Jacks!
Check your engine again! What changed?
My Engine Report Worksheet My Engine Report
Human Body Lab: Station 01
Name:
Date:
Part 1: How My Engine Feels
Draw a picture of yourself in "Fast Gear" and "Slow Gear." Label one thing your heart or lungs are doing in each picture.
Fast Gear (Playing)
Example: My heart is beating fast!
Slow Gear (Sleeping)
Example: I am breathing slowly.
Part 2: Body System Match-Up
Brain
Sends signals to the whole body.
Heart
Pumps blood to give us energy.
Lungs
Take in oxygen when we breathe.
Think & Write:
Why is it important for your body to be able to slow down?
My Engine Teacher Guide Teacher Guide
Lesson 1: My Body's Engine
Learning Objective
Students will identify key body systems (heart, lungs, brain) and describe how their functions change based on physical activity levels (baseline/resting vs. active).
The Hook: Pulse Power
Find the Beat: Guide students to find their carotid pulse (neck) or radial pulse (wrist). 2nd graders may need help; suggest "feeling for the drum in your neck."The Baseline: Have them sit silently for 30 seconds. Ask: "Is your heart drum loud or quiet? Fast or slow?"The Burst: Lead 30 seconds of intense jumping jacks or running in place.The Check: Immediately have them feel their pulse again. Discuss the "Fast Gear."
Key Discussion Questions
What controls the speed? (The brain sends signals to the heart and lungs to speed up when we need more energy).How do you feel in Slow Gear? (Help students use descriptive words: calm, sleepy, quiet, steady).Why do we need a Heart? (It's the pump that moves the 'fuel' - blood and oxygen - to our muscles).
Support
Provide pre-labeled diagrams of the heart and lungs. Focus on the physical feeling of "fast vs slow" rather than the science of oxygen exchange.
Extension
Have students count their pulse for 10 seconds in both states and compare the numbers (e.g., 12 beats vs 25 beats).
Fast Forward Slides FAST FORWARD
Medicines that speed the body up.
The "Speed Up" Signal
Some medicines are called Stimulants.
They tell your brain and heart to work extra hard and extra fast.
Fast Brain
Fast Heart
Quick Breathing
Why a Doctor Might Use It
TO HELP FOCUS
For some people, their brain engine feels a bit "fuzzy" or hard to control. A doctor gives a stimulant to help them concentrate and pay attention.
Is Too Fast Bad?
If a heart is healthy, it doesn't need to be forced to go faster.
Can make you feel shaky
Can make you feel nervous
Can hurt a healthy heart
Only take medicine from a doctor or your trusted adult!
Fast Forward Effects Worksheet Fast Forward Effects
Human Body Lab: Station 02
Name:
Part 1: How does it feel?
If someone takes a Stimulant (speed-up medicine) without needing it, what happens? Circle the things that happen to the body.
Heart beats very fast
Feeling very sleepy
Feeling shaky or jittery
Breathing gets quicker
Mind feels nervous
Body wants to nap
The "Focus" Word Search
Some people take this medicine to help their brain focus. Can you find the 3 words that mean paying attention?
FOCUS LISTEN WATCH
Draw a picture of a time you need to FOCUS at school:
THE GOLDEN RULE:
Who is the ONLY person who should tell you to take medicine?
OR
(A doctor) (A trusted adult like Mom/Dad)
Fast Forward Teacher Guide Teacher Guide
Lesson 2: Medicines That Speed Us Up
Learning Objective
Students will understand that "Stimulants" are medicines that speed up the heart and brain. They will recognize that while doctors use them for specific health needs (like focus), they can be harmful to a healthy body.
The Hook: Out of Control Claps
Goal: To simulate how "too fast" can feel chaotic.
Have the class start a steady, slow rhythm: Clap... (pause)... Clap...
Say "A little faster!" and speed up the rhythm.
Keep saying "Faster!" every 5 seconds until it's a frantic blur.
Stop suddenly. Ask: "When we were going super fast, could you keep a rhythm? Did it feel calm or messy?"
Connect: Stimulants can make your body feel like that messy clapping - too fast to work correctly.
Sensitive Instruction: Focus Medicine
Some students in your class may take these medicines. It is vital to frame this medicine as prescribed tools for specific jobs .
"For some brains, things move too slowly or feel fuzzy. The doctor uses medicine to bring the brain up to 'Normal Gear'."
"If your brain is already in 'Normal Gear,' this medicine pushes you into 'Too Fast Gear,' which is dangerous."
The Safety Drill
Reinforce: "Medicine is a powerful tool. Just like you wouldn't use a chainsaw to cut a piece of paper, we don't use medicine unless a doctor says we have a specific job for it."
Slow Motion Slides SLOW MOTION
Medicines that slow the body down.
The "Slow Down" Signal
Some medicines are called Depressants.
They tell your brain and heart to relax and go slowly.
They are like a "dimmer switch" for your body's lights.
Slow Heartbeat
Sleepy Breathing
Quiet Mind
A Tool for Rest
FOR SLEEP
To help someone whose brain won't stop thinking at night.
FOR CALM
To help someone whose body feels very "scared" or nervous.
Is Too Slow Dangerous?
If the body engine slows down too much, it might forget its most important jobs:
Forgetting to breathe
Heart beating too weak
Brain cannot wake up
Slow Motion Signals Worksheet Slow Motion Signals
Human Body Lab: Station 03
Name:
Part 1: What Slows Down?
When a Depressant tells the body to slow down, what happens? Connect the body part to its "Slow Gear" action.
BRAIN
Feels very sleepy and calm.
HEART
Beats slowly and quietly.
LUNGS
Breathing is deep and slow.
The "Dimmer Switch" Analogy
Draw a body that is completely relaxed and in "Slow Gear." Use quiet colors like blue or purple.
(Draw a sleeping or relaxing body here)
SAFETY CHECK:
"If my heart is already beating nicely, why would it be dangerous to take medicine that slows it down?"
It could slow down so much it forgets to pump blood.
It could make me fall asleep when I'm supposed to be awake.
Slow Motion Teacher Guide Teacher Guide
Lesson 3: Medicines That Slow Us Down
Learning Objective
Students will identify "Depressants" as medicines that slow down body functions. They will understand the risk of a body slowing down to a point where vital organs (like the lungs) stop working.
The Hook: The Snail Race
Goal: To feel the frustration and danger of being "too slow" for a task.
Ask students to stand up and prepare to walk to the other side of the room.
Give the command: "Walk as SLOWLY as possible. Like a snail in peanut butter."
Halfway through, say: "Oh no! There's a giant mud puddle! You have to jump over it... in slow motion!"
Stop and discuss: "Was it easy to jump when your body was stuck in slow motion? Could you protect yourself?"
Connect: Sometimes our bodies need to be fast or steady to stay safe. Medicine that slows us down too much makes it hard for our body to do its job.
Vital Warning: Breathing Signals
The most critical safety point for 2nd graders is respiratory depression (in simple terms).
"Your brain is like a clock that tells your lungs to breathe even when you are asleep. If you take a medicine that slows that clock down too much, the clock might stop. That is why we never touch medicine that isn't for us."
Depressant
A medicine that slows down the central nervous system (brain and nerves).
Vital Organs
Parts of the body we need to live, like the heart and lungs.
Muting the Pain Slides Muting the Pain
How strong medicine blocks pain signals.
The Brain's Volume Knob
When you get hurt, your body sends a "OUCH!" signal to your brain.
"Strong pain medicines (like Opioids) act like a Mute Button on a remote control."
The signal is still there, but the brain can't hear it anymore.
MUTE
When is it needed?
BIG JOBS
Doctors use this after surgery or for very big broken bones.
NOT FOR SMALL STUFF
We don't need strong medicine for a scraped knee or a small bump.
Strong medicine is ONLY for strong problems.
Why is it dangerous?
Strong medicine can trick the brain into thinking it needs the medicine to feel happy or normal.
It can make you feel very sick to your stomach.
Just like depressants, it can make you forget to breathe.
It is very "sticky" — it's hard for some people to stop taking it.
Pain Mute Button Worksheet The Pain Mute Button
Human Body Lab: Station 04
Name:
Part 1: The Ouch Signal
When you have a BIG injury, your nerves send a signal to your brain. Draw a "Zig-Zag" line from the injury to the brain to show the signal.
Brain
Broken Bone
(Draw the signal line here)
Part 2: Is it a "Big Job"?
Strong pain medicine is only for very big injuries. Circle the pictures where a doctor might need the "Mute Button."
Paper Cut
After Surgery
Ice Cream Headache
Broken Leg
Mosquito Bite
Severe Burn
Wait!
Why is strong medicine dangerous if we don't need it?
Pain Mute Button Teacher Guide Teacher Guide
Lesson 4: Stopping the Pain
Learning Objective
Students will explain how strong pain medicines (opioids) block pain signals from reaching the brain. They will categorize injuries into "Big Jobs" (requiring strong medicine) and "Small Stuff" (not requiring medicine).
The Hook: The Mute Button Analogy
Setup: Bring in a real TV remote control if possible.
Ask the class to make a constant "AAAAAAHHHH" noise (the pain signal).
Press the "MUTE" button on the remote. The class must go silent immediately.
Press "MUTE" again to turn the sound back on.
Explain: "The noise was still there, but the remote (the medicine) stopped the brain from hearing it."
Connect: Opioids are very strong remotes. They don't fix the injury; they just stop the brain from feeling it.
Teaching Potency & Addiction (Grade 2)
At this age, we don't need to use the word "addiction." Instead, use the term "Sticky Medicine" or "Tricky Medicine."
"Strong medicine can be tricky. It can make the brain feel so 'happy' that it forgets how to feel happy on its own."
"This is why doctors are very careful. They only give exactly as much as needed, and no more."
"If a healthy person takes this, it can trick their brain into wanting more and more, which makes the body very sick."
The "Small Stuff" Conversation
It is important to emphasize that for 99% of their current lives (scrapes, bumps, bruises), their body's "Engine" is strong enough to handle it without medicine.
Super Healthy Slides Healthy Bodies
Building a strong engine every day.
What We Learned
Fast Gear
Stimulants speed up the heart and brain.
Slow Gear
Depressants slow down breathing and nerves.
Mute Button
Strong pain medicine blocks body signals.
Medicine is a tool for big jobs—not for every day!
Building Your Super-Self
Your body has everything it needs to be amazing! To keep your "Engine" in the perfect gear:
Drink lots of water
Play and move every day
Get plenty of sleep
Normal Gear
The Best Gear for You!
THE SAFETY PLEDGE
"My body is a powerful engine. I will only use medicine when a doctor and my trusted adult say I have a big job to do."
Respect Medicine
Trust My Body
Super Healthy Me Poster Worksheet Super Healthy Me
Human Body Lab: Final Report
Name:
Part 1: Fueling My Engine
What are three things you do every day to keep your body in "Normal Gear" without medicine? Write or draw them in the boxes.
Part 2: My Body is Amazing!
Draw a picture of yourself doing your favorite activity (sports, reading, dancing). Show how your heart and lungs are working perfectly in "Normal Gear."
Draw Your Super Healthy Self Here
THE BIG SECRET:
My body is powerful on its own!
Super Healthy Teacher Guide Teacher Guide
Lesson 5: Healthy Bodies Don't Need Medicine
Learning Objective
Students will synthesize their learning to understand that medicine is a specialized tool for health crises, not a daily necessity for a healthy body. They will identify non-medicinal ways to maintain energy and focus.
The Final Review: Body Gears
Quick-fire review session. Ask students:
"If a doctor needs to speed up a brain to help someone focus, what type of medicine is that?" (Stimulant)
"If someone is very nervous and needs their heart to slow down, what type is that?" (Depressant)
"What is the 'Mute Button' medicine called?" (Strong pain medicine / Opioids)
The Final Project: Health Promotion
The goal of the worksheet is for students to see themselves as **proactive health managers**. Instead of focusing on what drugs *can* do, focus on what a body *already* does.
Encourage: "I can read because my brain engine is clear!"
Discourage: "I don't need drugs because I'm a good kid." (Keep it physiological, not moral!)
Final Safety Check-Out
"Class, one last time: Who gives you medicine?"
DOCTORS & TRUSTED ADULTS!
