Nature & science · Age 11 · Quarter 1 – Body Systems Working Together
Exercise and the Body – Heart Rate and Breathing
Measure and explain changes in heart rate and breathing during physical activity.
Module
Quarter 1 – Body Systems Working Together
Age
Age 11
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
A student's resting heart rate is 70 beats per minute. After running, it rises to 140 beats per minute. Why?
Question 2
Multiple choice
What is the correct order of events when you start sprinting?
Question 3
Multiple choice
Which system detects that muscles need more oxygen and triggers changes in heart rate and breathing?
Question 4
True or false
Regular aerobic exercise strengthens both the heart muscle and the lungs over time.
Question 5
Matching
Match each body change during exercise to its purpose.