Page 250 - Health, Population and Environment Education 10

b. Balanced diet ensures our proper physical and mental development.
c. It keeps our body active with happiness and glow on our face.
d. It maintains body systems by maintaining the cells tissues and organs of our body.

e. It provides immunity power to our body that helps fight against various diseases.

b. Healthy Environment
Healthy environment is one of the major components of human health. Both natural and
artificial environment should be healthy for healthy environment. Natural environment
is healthy itself, but various human activities pollute natural quality of environment.
Air pollution, water pollution, sound pollution, soil pollution, etc. degrade natural
environment. These pollution are major sources of various diseases that attack human
health. Thus, it is essential to keep surrounding neat and clean to keep our environment
healthy and fit for human health. Air in the environment is the source of oxygen. Oxygen
is necessary for our life. Thus, it is necessary to be fresh oxygen in our surrounding. We
have to maintain greenery in our surrounding to get fresh oxygen for respiration. Similarly,
we have to keep water resources neat and clean to get pure drinking water. Likewise, soil
pollution should be reduced to get healthy food from the soil. Noise pollution should be
reduced for our proper mental health. Moreover, it is necessary to keep air, water, soil,
etc. fresh and pure in our surrounding for healthy environment. Healthy environment
ensures good human health in different aspects.

Importance of Healthy Environment
a. Healthy environment helps maintain physical and mental health of human beings.
b. It helps stop spreading various diseases in environment.
c. It maintains good quality environment required for all living beings for their proper
growth and development.
d. It helps maintain healthy social life of human beings.

e. It prevents natural environment in our surroundings.
f. It helps maintain ecosystem and save biodiversity in our environment.
g. It helps control environmental pollution and environmental degradation.

c. Physical dynamics
Physical dynamics refers to keeping our body physically fit and mentally sound through
physical activities and mental exercises. Different physical activities yoga, asanas,
pranayam, meditation, etc. help keep our body healthy and active. Human health and
physical dynamics are closely related to each other. We can be protected from different
kinds of non-communicable diseases if we are physically dynamic. Physical dynamics
includes physical, mental and social health of an individual. It keeps our body organs
healthy and active, mind sound and alert and social behaviour positive and acceptable.
For physical dynamics, various physical exercises and yoga should be the part of our life.
These activities help us keep away from various diseases like blood pressure, heat attack,

250 GREEN Health, Population and Environment Education Book-10