Science Facts Archives - Page 3 of 19 - CBSE Class Notes Online

Gymnosperm Overview- Characteristics, Classification, Life Cycle, Examples, and Economic Impact

April 13, 2024April 15, 2024 - by Jaishree Gorane - Leave a Comment

Gymnosperms, seed-producing vascular plants, lack flowers and fruits, exposing their seeds on cone scales. Originating in the Paleozoic era, their characteristics include naked seeds, needle-like leaves, and wind pollination. Divided into four groups—Cycadophyta, Coniferophyta, Ginkgophyta, Gnetophyta—they play crucial ecological roles and have significant economic value in food, medicine, and industry.

Biology / Biology Concepts / Class 10 / NEET Biology / Science Facts / Transportation

What is Interstitial Fluid and its Vital Role in Cellular Health and Function

February 9, 2024February 9, 2024 - by Jaishree Gorane - Leave a Comment

Interstitial fluid, also known as tissue fluid, occupies the spaces between body cells, acting as a crucial part of extracellular fluid. Originating from blood plasma through capillary filtration, it provides essential nutrients and oxygen to cells while removing wastes. Its composition, similar to plasma but with fewer proteins, supports various physiological processes, including nutrient transport and waste removal.

Key Organs of the Immune System -Explained in Details

February 7, 2024February 7, 2024 - by Jaishree Gorane - Leave a Comment

This article delves into the immune system, emphasising its organs, such as white blood cells, the lymphatic system, bone marrow, skin, mucous membranes, appendix, and tonsils. It explains their roles in defending against pathogens through mechanisms like producing white blood cells, filtering blood, and creating physical barriers.

Key Organs of the Lymphatic System: Functions and Locations.

February 6, 2024February 7, 2024 - by Jaishree Gorane - Leave a Comment

This article explores the lymphatic system’s key organs, detailing their roles in immune response and fluid balance. It highlights the lymph nodes, spleen, thymus, and tonsils, emphasising their functions in filtering pathogens and producing white blood cells. Essential for understanding human biology, it offers insights into how these organs support overall health.

Difference between Voluntary and Involuntary Action- In Details and Tabular Format

February 5, 2024March 18, 2024 - by Jaishree Gorane - Leave a Comment

This article explains the difference between voluntary and involuntary action, highlighting that voluntary actions are deliberate, conscious efforts controlled by the brain, such as speaking or moving. Conversely, involuntary actions are automatic bodily responses, like breathing or reflexes, not consciously controlled. It underscores the significance of understanding these distinctions for comprehending human behaviour and physiological responses.

Biology Concepts / Class 10 / Class 12 / Class 9 / Science Facts

Voluntary and Involuntary muscles – Characteristics, Differences and Similarities

February 4, 2024February 5, 2024 - by Jaishree Gorane - Leave a Comment

The article explores the characteristics, differences, and similarities between voluntary muscles (which we control consciously, like when walking or jumping) and involuntary muscles (which operate automatically, handling essential functions like heartbeats and digestion). It delves into their control mechanisms, appearances, fatigue levels, and their crucial roles in daily life and bodily functions, providing examples of each and highlighting their significance in movement, stability, and internal processes.

Essay / Science Facts

What is the Carbon Footprint in Simple Words? – A Guide for Young Minds

January 24, 2024January 27, 2024 - by Jaishree Gorane - 2 Comments.

A carbon footprint is the total amount of greenhouse gases, like carbon dioxide and methane, released into the atmosphere by an individual, organization, or product. It’s measured in carbon dioxide equivalents. Larger footprints contribute more to global warming. Understanding and reducing our carbon footprint is vital for combating climate change and protecting our environment.

Class 7 Science Chapter-6- Physical and Chemical Changes / Science Facts

Reversible and Irreversible Changes- A Guide for Young Learners

January 19, 2024January 19, 2024 - by Jaishree Gorane - Leave a Comment

Reversible and Irreversible Changes: A Guide for Young Learners” explores key differences between changes that can be undone and those that can’t. Understand through examples like melting ice and cooking eggs, how these changes impact everyday materials. Perfect for young minds, this guide simplifies these scientific concepts, making them easy to grasp and relate to daily life.

Biology Concepts

9 Important Difference Between Inhalation and Exhalation

January 7, 2024February 5, 2024 - by Jaishree Gorane - Leave a Comment

This article discusses the ‘Difference Between Inhalation and Exhalation,’ detailing how breathing works. It highlights the roles of the diaphragm and intercostal muscles, the changes in the chest cavity, and how lung volume affects air flow. The article also covers the composition of inhaled and exhaled air, and the significance of these processes in maintaining overall health.

Biology Concepts / Science Facts

How Breathing Works – Mechanism of Breathing

January 7, 2024January 7, 2024 - by Jaishree Gorane - Leave a Comment

This article on the ‘Mechanism of Breathing’ covers the essential processes of inhalation and exhalation, the role of the diaphragm, and how lungs facilitate gas exchange. It explains oxygen transport via haemoglobin and how carbon dioxide is returned to the lungs. The piece also delves into lung volumes and their importance in evaluating respiratory health.