We have seen that cells are the basic units
of living beings. Cells are made of a variety of
chemical substances – proteins, carbo-
hydrates, fats or lipids, and so on. Although
the pictures look quite static, in reality the
living cell is a dynamic place. Something or
the other is always happening. Cells move
from place to place. Even in cells that do not
move, there is repair going on. New cells are
being made. In our organs or tissues, there
are various specialised activities going on –
the heart is beating, the lungs are breathing,
the kidney is filtering urine, the brain is
thinking.
All these activities are interconnected. For
example, if the kidneys are not filtering urine,
poisonous substances will accumulate. Under
such conditions, the brain will not be able to
think properly. For all these interconnected
activities, energy and raw material are needed
from outside the body. In other words, food
is a necessity for cell and tissue functions.
Anything that prevents proper functioning of
cells and tissues will lead to a lack of proper
activity of the body.
Early study introduces an ambitious vision for learning, and sets out clear and evidence-based Practice Principle for excellence in teaching and learning. Keep sharing to your younger ones .
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