Lesson 05 of 6
Body systems
The heart pumps blood; lungs bring in oxygen.
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Step 1
Warm up
Today's step is "Body systems". The heart pumps blood; lungs bring in oxygen.
Step 2
Learn it
The heart pumps blood; lungs bring in oxygen.
Step 3
Try it yourself
Say one example of "Body systems" out loud, then write it down. Ask Buddy if you get stuck.
Step 4
Show what you know
Ready? The Science quiz has 10 questions waiting for you.