Nature & science · Age 9 · Advanced Body Systems (circulation & Respiration)
Activity and Your Body – How Exercise Changes Breathing and Heart Rate
Link breathing rate and heart rate to activity level with simple measurements.
Module
Advanced Body Systems (circulation & Respiration)
Age
Age 9
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
What happens to your heart rate when you start running?
Question 2
Multiple choice
Why does your breathing get faster during exercise?
Question 3
Multiple choice
How can you measure your heart rate?
Question 4
True or false
Both heart rate and breathing rate return to their resting levels after you stop exercising.
Question 5
Matching
Match each activity level to the expected heart rate range.
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Get started — it's freeMore exercises in this module
Graph Patterns – Understanding What Heart Rate Data Tells Us
Active Bodies – Why Moving More Means a Healthier Heart
Inside the Circulatory System – Blood and Its Pathways
Breathing In – How Lungs Bring Oxygen into the Body
What Blood Carries – Oxygen and Nutrients on the Move
The Heart as a Pump – How It Keeps Blood Moving