Category: Class 10 Science

NCERT Solutions for Class 10 Science and important questions for CBSE class 10 for session 2020-2021

Discussion Forum Latest Questions

Kiara Singh

Due to the accumulation of Lactic acid in the muscles, a person feels tired. Lactic acid buildup occurs during intense physical activity when oxygen supply to the muscles is insufficient, leading to fatigue and muscle soreness.

Kiara Singh

The property of self-vibration is found in the Heart muscle. The heart has its inherent electrical conduction system, allowing it to generate rhythmic contractions without external stimulation. This property facilitates the heart’s vital function of pumping blood throughout the body.

Kiara Singh

The total number of muscles in the human body is 639. These muscles vary in size, shape, and function, enabling movement, supporting the body’s structure, and facilitating essential bodily functions such as digestion, respiration, and circulation.