Cara membuat alat peraga peredaran darah pada manusia

Summary

This instructional video explains how to create a model of the human circulatory system using materials such as styrofoam, bottles, tubing, and food coloring. The step-by-step guide walks through constructing the model, including cutting and assembling parts, attaching tubes, and simulating blood flow using dyed water. The final demonstration illustrates how oxygen-rich and carbon dioxide-rich blood moves through the heart and lungs. Aimed at 5th-grade students, the video concludes with a simple explanation of blood circulation, making it a helpful learning tool for understanding the human circulatory system.

Takeaways

• 🛠️ Today’s project is about creating a model of the human circulatory system.
• 🧱 Materials needed include Styrofoam, six 330ml water bottles, scissors, tubing, glue, food coloring, and water.
• 🧩 Step 1: Cut the bottle caps to allow tubing to fit through.
• 🧴 Step 2: Insert tubing into the bottles by threading it through the cap.
• 🧪 Step 3: Secure the bottles together using hot glue for a strong bond.
• 🔧 Step 4: Create holes in the Styrofoam using scissors to support the structure.
• 🖼️ Step 5: Attach illustrations of the circulatory system to the bottles for reference.
• 💧 Step 6: Mix red food coloring with water to simulate blood.
• 🔄 Step 7: Pour the colored water into the tubing, ensuring it flows through the model.
• 🫀 The demonstration concludes with an explanation of how blood circulates in the human body, highlighting the flow from lungs to the heart and throughout the body.

Q & A

What is the topic of the video?

The video explains how to create a model demonstrating the human circulatory system.

What materials are required for the project?

The materials include styrofoam, six 330 ml mineral water bottles, scissors, tubing, food coloring, a glue gun, and water.

What is the first step in creating the circulatory system model?

The first step is to remove the bottle caps and punch holes at the back of each bottle.

How is the tubing used in the project?

The tubing is inserted into the bottles through the holes that have been made, ensuring it connects the bottles properly.

What is the purpose of using food coloring in the model?

Red food coloring is mixed with water to simulate blood in the model.

How are the bottles connected together?

The bottles are glued together using a hot glue gun to secure them firmly in place.

Why do the bottles need to be glued with the hot glue gun?

The hot glue ensures that the bottles are securely attached to each other, creating a stable structure.

What happens after the tubing is connected and bottles are glued?

The next step involves filling the tubes with the red-colored water mixture to simulate blood flowing through the circulatory system.

What is the purpose of the project according to the creator?

The project aims to demonstrate how blood circulates in the human body, showing how oxygenated and deoxygenated blood flows through the heart, lungs, and the rest of the body.

What educational level is this project intended for?

This project is designed as an educational tool for fifth-grade elementary school students (kelas 5 SD).