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Glenn Wolkenfeld - Pump It Up! (Mr. W's Circulatory System Rap)
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Scroll down below the video to read the lyrics

Click for interactive lyrics, diagrams, quizzes and flashcards. Or, you can use my heart quiz video.


    1. Click to view a downloadable pdf of the lyrics on a separate page
    2. Click to view or download the labeled diagram of the heart that appears in the video
    3. Click to view or download the numbered diagram of the heart that appears in the video.

Pump it Up!

I’m a little red blood cell heading for the heart,
The inferior vena cava’s where my journey starts,
My O2 level’s low ‘cause I gave it the muscles
in the legs when you were running it was powering your hustle

Now I’m in the right atrium, chamber number 1,
All your blood comes here, doesn’t matter where it’s from,
superior vena cava drained the arms and head,
It’s deoxygenated blood, cherry dark red!

I pass through a valve when the atrium contracts,
This valve’s got two names, here are the facts.
You might know it as right atrio-ventricular
Or tricuspid if you want to be particular

Pump it up! Pump it up!
I see your heart throb
Pump it up! Pump it up!
Let me do my job
Pump it up! Pump it up!
Improve your condition,
‘Cause oxygenation is my mission.

Now to the next chamber right ventricle I pass,
I’m suffering I’m still low, in oxygen gas,
Right ventricle contracts I’m heading for the lungs,
Through the pulmonary valve, I first get flung,

Now my location is the pulmonary artery,
Which branches right and left toward the system respiratory,
Through smaller arteries to a lung capillary
Where CO2 goes out of me and oxygen goes into me,

I feel so great, I’m oxygenated
And I’m flowing to the pulmonary vein I’m elated,
Cause I’m heading back to the heart as its thumpin’,
To the left atrium as the heart keeps pumpin’


Left atrium sends me through the left a-v valve,
Left Atrio-ventricular or bicuspid valve,
To the left ventricle, which when it contracts,
sends me through the aortic valve putting me on track,

To go to the aorta, the biggest artery,
from there to any artery and any capillary
Maybe liver, bones, muscles, kidneys, brain, small intestines,
Wherever I go I’ll give up oxygen,

And pick up some CO2, and go into a vein,
and I’ll find myself in the vena cava again,
then back to heart to repeat this story
‘Bout our journey through the system circulatory,


[This last stanza includes some call and response]
Main points: can’t be over-rated
Right side of the heart’s …
Left side has blood full of …
Repeat that til you know it now say it again.

Right side blood:
Left side blood:
Chambers on the top:
Chambers on the bottom:
Biggest artery is the?
Vein that brings blood to the heart?
The vena cava
And if you want more questions to review
Click the link for circulatory system rap 2

This Post Has 5 Comments

  1. Jadinkalidge

    THE RIGHT SIDE IS DEOXYGENATED, this is my favorite rap ever, i plan on annoying my teacher with it

  2. megan

    Surprisingly this helps! Thanks



    1. Mr. W

      Hey Catrin,
      If you let me know what this means, I’ll leave the comment!
      Mr. W

Comments are closed.