biology models

biology models for science exhibition

Human heart working model explanation in kannada ಮಾನವನ ಹೃದಯದ ಕಾರ್ಯವಿಧಾನ – ರಕ್ತ ಪರಿಚಲನೆ

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ಮಾನವನ ಹೃದಯವು ರಕ್ತವನ್ನು ದೇಹದ ಎಲ್ಲಾ ಭಾಗಗಳಿಗೆ ಪಂಪ್ ಮಾಡುವ ಪ್ರಮುಖ ಅಂಗವಾಗಿದೆ. ಹೃದಯವು ಎದೆಯ ಭಾಗದಲ್ಲಿ, ಸ್ವಲ್ಪ ಎಡಭಾಗಕ್ಕೆ ಇರುತ್ತದೆ. ಮಾನವನ ಹೃದಯದಲ್ಲಿ ನಾಲ್ಕು ಕೋಣೆಗಳಿವೆ. ಮೇಲಿನ ಎರಡು ಕೋಣೆಗಳನ್ನು ಹೃತ್ಕರ್ಣಗಳು (Atria) ಎಂದು ಕರೆಯುತ್ತಾರೆ. ಕೆಳಗಿನ ಎರಡು ಕೋಣೆಗಳನ್ನು ಹೃತ್ಕುಕ್ಷಿಗಳು (Ventricles) ಎಂದು ಕರೆಯುತ್ತಾರೆ. ಬಲ ಹೃತ್ಕರ್ಣವು ದೇಹದಿಂದ ಆಮ್ಲಜನಕ ಕಡಿಮೆ ಇರುವ ರಕ್ತವನ್ನು ಸ್ವೀಕರಿಸುತ್ತದೆ. ಈ ರಕ್ತವು ಮೇಲಿನ ಮತ್ತು ಕೆಳಗಿನ ಮಹಾಸಿರೆಗಳ (Vena Cava) ಮೂಲಕ ಹೃದಯವನ್ನು ತಲುಪುತ್ತದೆ. ಬಲ ಹೃತ್ಕರ್ಣದಿಂದ … Read more

Human Respiratory System Working Model – DIY

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This Human Respiratory System Working Model is an excellent biology science exhibition project that demonstrates how breathing takes place in the human body. The model can be made using balloons, transparent pipes, cardboard, straws, and simple craft materials. The main working principle is based on the movement of air into and out of the lungs … Read more

How to Make Microscope Working Model Using Cardboard

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Introduction A microscope is an optical instrument used to observe objects that are too small to be seen clearly with the naked eye. It is widely used in biology, medicine, research, and science laboratories. A microscope helps us study cells, microorganisms, plant structures, fibers, and many other tiny objects. This project demonstrates a simple DIY … Read more

First Aid Box Working Model and How to Make It

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Introduction A First Aid Box is a collection of basic medical supplies used to provide immediate care when someone gets a minor injury or suddenly becomes unwell. It is useful at home, schools, workplaces, vehicles, and public places. First aid does not replace professional medical treatment, but it can help control bleeding, protect wounds, reduce … Read more

x-ray machine working model – biology project – diy – radiology – craftpiller – medical project

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Introduction An X-ray machine is an important medical imaging device used by doctors to see structures inside the human body. It uses a controlled beam of X-rays to create an image of internal structures, especially bones. X-rays pass through the body, but different tissues absorb different amounts of radiation. Bones absorb more X-rays and therefore … Read more