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Subject: Physical Education
Semester: 1
Period: 3
Week: 13
School Name: __________________________
Teacher’s Name: ________________________
Subject: Physical Education
Grade Level: Grade 9
Date: __________________________
Lesson Duration: 45 minutes
Week & Period: Week 13, Period 3
Topic: Introduction to the Circulatory System
Sub-topic: Circulatory System – Structure and Function
Learning Objectives
By the end of the lesson, students should be able to:
- Define the circulatory system and explain its purpose.
- Describe the anatomy of the heart including chambers, valves, and major blood vessels.
- Explain the function of the heart and the circulation of blood, and the role of blood in transporting oxygen, nutrients, and waste.
Previous Knowledge
Students already know:
• Basic anatomy of the human body
• Concepts of health and physical fitness
Instructional Materials
• Textbook: Physical education textbooks for Grade 9
• Teaching aids: Heart diagrams/models, charts of blood flow, videos or animations
• Students' notebooks and writing materials
Lesson Development – ABC Model
A – Anticipation (Warm-up / Starter)
Time: 5–10 minutes
Activity: The teacher will ask the class:
• What do you know about the heart and blood circulation?
• Why is it important for your muscles to receive oxygen and nutrients during physical activity?
The teacher will record responses on the board.
Teacher’s Role: Guide discussion, connect prior knowledge to lesson content, correct misconceptions.
Learner’s Role:
• Share existing knowledge about the heart and circulation.
• Respond verbally and participate actively in the discussion.
B – Building Knowledge (Main Lesson Body)
Time: 25–30 minutes
Teacher’s Role:
• Define the circulatory system – the body’s network for transporting blood, nutrients, oxygen, and wastes to sustain life and support physical activity.
• Describe the anatomy of the heart – four chambers (right atrium, left atrium, right ventricle, left ventricle) and major valves (tricuspid, bicuspid/mitral, pulmonary, aortic).
• Explain major blood vessels – aorta, superior and inferior vena cava, pulmonary arteries, and pulmonary veins.
• Demonstrate blood circulation – deoxygenated blood from the body → right atrium → right ventricle → lungs via pulmonary arteries → oxygenated blood returns via pulmonary veins → left atrium → left ventricle → body via aorta.
• Explain blood’s functions – transporting oxygen and nutrients, removing carbon dioxide and wastes, supporting energy production for physical activity.
• Connect to practical activities – running, farming, traditional dances; demonstrate how efficient circulation improves endurance, strength, and overall performance.
Learners’ Activities (Expanded)
• Observe heart models or diagrams and trace blood flow.
• Identify and label heart chambers, valves, and major vessels.
• Participate in discussions linking circulation to performance in sports, chores, and traditional dances.
• Share personal experiences where good circulation impacted stamina or recovery.
Assessment Checks:
• Ask learners to point out heart chambers and major vessels on diagrams.
• Use verbal questioning to assess understanding of blood flow, valve function, and circulation’s role in exercise.
• Ask learners to explain how efficient circulation supports physical activity and performance.
Notes (Expanded & Detailed):
• Highlight the connection between circulatory health and physical performance.
• Include culturally relevant examples, such as transporting water, long walks, and traditional dances.
• Emphasize maintaining cardiovascular health through exercise, diet, and overall fitness for better performance and well-being.
C – Consolidation (Conclusion & Assessment)
Time: 5–10 minutes
Summary:
• Teacher asks students to recall the definition, purpose, and main structures of the circulatory system.
• Learners give examples of how circulation supports physical activity and health.
Evaluation Method (Expanded):
• Exit slip/quiz: Students write short answers to:
• Define the circulatory system.
• Name the four chambers of the heart.
• Explain one reason why blood circulation is important during physical activity.
• Teacher collects and reviews for understanding; provide oral feedback.
Assignment (Expanded):
Follow-up Activity:
• Observe your pulse and heart rate before and after a light physical activity. Record the changes and relate them to blood circulation.
Differentiation / Inclusive Strategies
• Struggling Learners: Use simplified diagrams, step-by-step explanation of blood flow.
• Advanced Learners: Research and explain the cardiac cycle in detail and its effect on athletic performance.
• Students with Disabilities: Participate through observation, assisted labeling, and verbal explanation.
Teacher’s Reflection (After Class)
• What worked well? ______________________________________________________
• What needs improvement? _________________________________________________
• Students’ engagement level: □ High □ Medium □ Low