Functions Of The Blood Vessels for Primary 6

Class: Primary 6
Term: 2nd Term
subject: Basic Science and Technology
Curriculum Theme: Basic Science
Previous Lesson: The Human Heart And Its Functions
Topic: Functions of the Blood Vessels
Content/Learning Area: Blood vessels: Arteries, Veins, Capillaries, Functions, and Importance
Time Allocation: 40 minutes

Performance Objectives

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

• Cognitive domain:

1. Explain the three types of blood vessels (arteries, veins, and capillaries).
2. Affective Domain:
3. appreciate the importance of blood vessels in the human body.
4. Psychomotor Domain:
5. Identify the blood vessels on a diagram/chart.
6. Social Domain:
7. Work cooperatively with classmates during activities.

Reference Materials

The following resources were used in planning this lesson:

1. 9–Years Basic Education Curriculum, Abuja Educational Resource center
2. NAPPS National Unified Scheme of Work
3. Online information from Britannica – Blood vessel | Definition, Anatomy, Function, & Types
4. relevant Textbooks

Instructional Materials

To deliver this lesson, the teacher will use the following materials:

1. A diagram/chart of the human circulatory system
2. A labeled model of blood vessels
3. Multimedia resources (videos/presentations)
4. A whiteboard and marker

Rationale for the Lesson

Understanding the functions of blood vessels is essential for pupils to appreciate how blood circulates in the body. This knowledge is crucial for promoting healthy living and understanding the human body.

Prerequisite/Previous Knowledge

Pupils already know the structure and functions of the human heart.They can also describe how the heart pumps blood to the body.

Lesson Content

Functions of the Blood Vessels

Blood vessels are tubes that transport blood throughout the body. They ensure oxygen, nutrients, and waste products are carried to and from different parts of the body.

Parts of the Blood Vessels:

These include:

1. Arteries
2. Veins
3. Capillaries
4. Arterioles
5. Venules

Functions of the Blood vessels:

The following are:

1. Transport oxygen-rich blood (arteries) and oxygen-poor blood (veins).
2. connect arteries and veins (capillaries).
3. Deliver nutrients and remove waste from tissues.
4. help maintain blood pressure.
5. Regulate body temperature by adjusting blood flow.
6. transport hormones from endocrine glands to target organs.
7. Participate in the immune response by carrying white blood cells.

Functions of Blood Vessels

Arteries carry blood away from the heart, veins carry blood toward the heart, and capillaries are tiny vessels where gases, nutrients and wastes are exchanged with tissues. Their walls differ because their functions differ.

The pulmonary artery carries oxygen-poor blood to the lungs and the pulmonary vein carries oxygen-rich blood to the heart, showing that artery and vein are defined by direction, not oxygen content.

Teaching Methods

To deliver this lesson,‌ ⁤the teacher will⁤ adopt⁤ the following methods: Discussion, Demonstration, Description, visual Aids, questioning, Interactive discussion, Guided writing.

Instructional Procedures

To deliver this lesson,the teacher will adopt the following steps:

Step 1: Introduction

Time: 5 mins
Teaching Skill: Set Induction
Teacher’s Activity: Asks pupils to recall the functions of the heart and relate it to blood flow.
pupils’ Activity: respond to the teacher’s questions.

Step 2: Explanation of Blood Vessels

Time: 10 mins
Teaching Skill: Explanation
Teacher’s Activity: Explains the types and parts of blood vessels using diagrams.
Pupils’ Activity: Observe and identify blood vessels on the diagram.

Step 3: Demonstration of Blood Flow

Time: 7 mins
Teaching Skill: Demonstration
Teacher’s Activity: Demonstrates how blood flows through vessels using a labeled model.
Pupils’ Activity: Participate in observing and pointing out parts on the model.

Step 4: Note-Taking

Time: 5 mins
Teaching skill: Explanation
Teacher’s Activity: Guides pupils to copy the notes on blood vessels.Pupils’ Activity: Copy notes from the board.

step 5: Evaluation/Review

Time: 7 mins
Teaching skill: Questioning
Teacher’s Activity: asks questions on the functions and parts of blood vessels.
Pupils’ Activity: Answer questions individually or as a group.

Objective-aligned checks:

1. Explain the three types of blood vessels (arteries, veins, and capillaries).
2. Identify the blood vessels on a diagram/chart.

Step 6: Conclusion

Time: 3 mins
Teaching Skill: Recap
Teacher’s Activity: Summarizes the lesson and emphasizes key points.
Pupils’ Activity: Listen and ask questions for clarification.

Lesson Keywords

• Arteries – Blood vessels that carry oxygenated blood away from the heart.
• Veins – Blood vessels that carry deoxygenated blood back to the heart.
• Capillaries – Tiny blood vessels that connect arteries and veins, facilitating the exchange of oxygen, nutrients, and waste products.
• Blood Pressure – The force of blood pushing against the walls of the arteries.
• Circulation – The continuous movement of blood through the heart and blood vessels.

Lesson evaluation

To evaluate the learning, the teacher asks pupils to:

1. Define blood vessels.
2. List the three main types of blood vessels.
3. State one function of each type of blood vessel.
4. Identify the parts of the blood vessels on a diagram.
5. Explain how blood vessels help maintain blood pressure.

Assignment/Homework

1. Draw a diagram of the human circulatory system and label the main blood vessels.
2. Write a short paragraph explaining the importance of blood vessels in the human body.
3. Research and list three diseases related to blood vessels.

Differentiation

• For slower learners: Provide additional time for slower learners during note-taking.
• For advanced learners: Encourage advanced learners to research and present on specific blood vessel-related diseases.
• For visual/auditory/kinesthetic learners: Use multimedia resources for visual learners and hands-on activities for kinesthetic learners. Pair pupils for group activities to support peer learning.

Note for Teachers

This lesson is designed to make pupils appreciate the role of blood vessels in the body. Encourage active participation by asking open-ended questions. Use visual aids to simplify the topic. Happy teaching!