Exercise and Your Body

Grade 11 · Physical Education

Semester 2 | Period 6 | Week 34

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Subject: Physical Education

Semester: 2

Period: 6

Week: 34


School Name: __________________________

Teacher’s Name: ________________________

Subject: Physical Education

Grade Level: Grade 11
Week & Period: Week 34, Period VI
Date: __________________________

Topic: Exercise and Your Body
Subtopic: The Oxidative Energy System (Aerobic System)

 

Learning Objectives:

By the end of the lesson, learners should be able to:

  1. Define the Oxidative Energy System (Aerobic System).
  2. Explain how it supports long-duration physical activities.
  3. Identify sports and exercises that primarily use this system.

 

Previous Knowledge:

Learners have learned about the Immediate and Non-Oxidative Energy Systems and their application in physical activities.

 

Instructional Materials:

  • Oxygen pathway diagrams
  • Endurance sports video (e.g., marathon running)
  • Heart rate monitors (if available)
  • Stopwatch
  • Whistle

Anticipation (Warm-Up) – 5 minutes:

Ask:

  • How does your breathing change during a long walk or jog?
  • Why do you think endurance runners can go on for hours?

Activity:

  • Gentle jogging and breathing rhythm exercises

 

Building Knowledge (Main Lesson) – 25 minutes:

  1. Definition of Oxidative (Aerobic) Energy System:
  • Long-term energy system using oxygen
  • Converts carbohydrates, fats, and sometimes protein into ATP
  • Supports low to moderate intensity over extended time
  1. Characteristics:
  • Requires oxygen (aerobic)
  • Slow to start but highly sustainable
  • Efficient for prolonged activity
  1. Examples of Activities:
  • Long-distance running (marathon)
  • Swimming laps
  • Cycling
  • Walking
  1. Importance:
  • Builds cardiovascular endurance
  • Burns fat efficiently
  • Essential for daily physical tasks and health
  1. How it Works:
  • Oxygen enters lungs → carried by blood to muscles
  • Mitochondria produce ATP through aerobic respiration
  1. Comparison:
  • Unlike ATP-PC (short) and glycolytic (moderate), this system is long-lasting and steady

 

Learners’ Activities:

  • Perform a 5-minute walk-jog exercise and check breathing and pulse
  • Diagram labeling: trace oxygen to ATP production
  • Watch a video of marathoners and identify aerobic performance signs
  • Group discussion: Which sports benefit most from aerobic endurance?

 

Consolidation (Review and Assessment) – 10 minutes:

Review Questions:

  1. What fuel sources does the aerobic system use?
  2. Why is oxygen important for this system?
  3. Which physical activities rely mostly on aerobic energy?

Mini Quiz:

  1. The aerobic system supports activities lasting: A. 10 seconds or less
    Less than 2 minutes
    C. More than 2 minutes
    D. Only while resting
  2. Which of the following is an aerobic activity? A. Shot put
    100m dash
    C. Marathon
    D. High jump

 

Homework / Assignment:

  1. Write a daily plan that includes 30 minutes of aerobic activity.
  2. Interview a long-distance athlete about their training and diet.
  3. Explain how the aerobic system helps you in school life (e.g., walking, chores).

 

Notes – Detailed and Explained:

The aerobic system is the backbone of endurance sports. It relies on oxygen to break down nutrients and sustain activity. It also supports recovery and daily movement.

 

Expanded Notes / Instructions:

  • Discuss effects of consistent aerobic training (e.g., stronger heart, lung capacity)
  • Encourage students to start simple aerobic exercises at home

 

Inclusive / Differentiation:

  • Let students choose walking, jogging, or light dance
  • Provide breathing guides or apps for slower learners

 

Teacher’s Reflection:

  • Did learners understand the oxygen-ATP process?
  • Were they able to differentiate between energy systems?
  • Did they express interest in endurance-building routines?