The Human Body System · JHS3 Science

Lesson notes

Learning Objectives

Indicator: B9.3.1.1.1 - Explain the concept of the circulatory system, state the function of each part of the system and the health challenges associated with it

By the end of the lesson, learners can:

Explain the concept of the circulatory system as the body’s transport system for blood, oxygen, nutrients and waste products.
Identify and state the function of the blood, heart, blood vessels (arteries, veins and capillaries) and blood components (plasma, red blood cells, white blood cells and platelets).
Draw and label the four chambers of the mammalian heart and its associated major blood vessels.
Describe at least three diseases of the circulatory system, their causes and how to prevent them.
Explain what blood pressure is, state normal and high readings, and describe at least three ways to manage high blood pressure.

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Curriculum details

Strand: Systems (Strand 3)
Sub-strand: The Human Body System (3.1)
Content standard: B9.3.1.1 - Demonstrate understanding of the blood circulatory system, health problems associated with the system and its relationship with the respiratory system in humans
Indicator: B9.3.1.1.1 - Explain the concept of the circulatory system, state the function of each part of the system and the health challenges associated with it
Suggested placement: Term 2, Week 1 (Week 13 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Science, Common Core Programme (JHS1-JHS3), 2023, p. 102
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Discuss the blood circulatory system in humans and the composition and functions of blood.
2. Explain the functions of the parts of the circulatory system.
3. Draw and label the longitudinal section of a mammalian heart.
4. Describe the prevention and causes of diseases of the circulatory system.
5. Describe what blood pressure is and ways of managing it.