Blood Flow of Human Heart – Biology

Description

Blood Flow of Human Heart Model with LED Display

Objective:
The Blood Flow of Human Heart Model visually represents the flow of blood through the human heart using an interactive LED circuit. The model simplifies the understanding of heart anatomy and blood circulation, making it suitable for educational purposes like school projects, science exhibitions, and biology demonstrations.

Materials Used:

1. Printout of Human Heart Anatomy: A detailed and labeled printout showing the heart’s chambers, valves, and blood flow pathways.
2. LEDs (Light Emitting Diodes): Different colored LEDs are used to represent oxygenated blood, deoxygenated blood, and the flow between different parts of the heart.
3. Running LED Circuit: A circuit designed to sequentially light up LEDs to show the path of blood flow in the heart.
4. Power Supply: Battery or USB-powered circuit to drive the LEDs.
5. Resistors: To regulate current for the LEDs.
6. IC 4017 Decade Counter and IC 555 Timer: To create the sequential LED lighting effect.
7. Connecting Wires and Soldering Equipment: For circuit assembly.
8. Baseboard: A firm platform to mount the printout and LED components.
9. Switch: To start and stop the LED circuit.

Working Principle:

1. When the circuit is powered on, the LEDs light up sequentially, representing the flow of blood through the heart’s four chambers (right atrium, right ventricle, left atrium, left ventricle).
2. Red LEDs indicate oxygenated blood flow, while blue LEDs show deoxygenated blood flow.
3. The sequential lighting illustrates the journey of blood:
   • From the body to the right atrium (deoxygenated blood)
   • To the right ventricle and then to the lungs for oxygenation
   • Back to the left atrium (oxygenated blood)
   • To the left ventricle and then pumped to the rest of the body.
4. The LED sequence repeats, providing a continuous visualization of the heart’s blood flow.

Highlights:

• Interactive Visualization: The running LED display simplifies the understanding of complex circulatory processes.
• Educational Tool: Ideal for teaching human heart anatomy and blood flow in schools and science fairs.
• Customizable Design: LEDs can be adjusted to highlight specific pathways or parts of the heart.

Benefits:

• Helps students visualize and understand the heart’s function.
• Promotes hands-on learning and engagement.
• Makes biology concepts more accessible and memorable.

This Blood Flow of Human Heart Model with a sequential LED display is an innovative educational tool that bridges the gap between theoretical knowledge and visual learning. It’s an excellent resource for students and educators alike.

Disclaimer

This is a handmade complete working Models, Projects & Activity kits supported by rough study material to make a suitable projects report by the student. It is using Cardboard/Wooden base, Paper, Foam based board, stationary items, Electronic-Electrical Components, Mechanical & Scientific goods as per the requirement of a particular model.

Colour of product and decoration item may be varying according to availability of material but we make ensure that we will deliver the product with same working, structure and dimensions as describe in product description section.