The Science of Fitness · Fitness & Exercise

Heart Rate and Hard Work

Learning to identify the physical signs of exercise and the function of the heart.

Key Questions

  1. 1How can you tell if your heart is working harder during a game?
  2. 2Why does your breathing change when you run versus when you walk?
  3. 3What makes the heart a special type of muscle?

Common Core State Standards

SHAPE: Standard 3 - Physical ActivitySHAPE: Standard 5 - Value of Physical Activity
Grade: 2nd Grade
Subject: PE & Health
Unit: The Science of Fitness
Period: Fitness & Exercise

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