Explain giving reasons : (a) Balanced diet is necessary for maintaining healthy body.
(b) Health of an organism depends upon the surrounding environmental conditions.
(c) Our surrounding area should be free of stagnant water.
(d) Social harmony and good economic conditions are necessary for good health.

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Explanation:

[ A ] A healthy body comprises proper growth, metabolism, and immunity.

A healthy body comprises proper growth, metabolism, and immunity. A balanced diet contains all the nutrients in an appropriate amount necessary for growth, physiological regulation, metabolic requirements, repair of worn-out cells, and formation of new cells in the body. A balanced diet provides us with substances like proteins, carbohydrates, fats, minerals, and vitamins without which proper growth and maintenance of health are not possible. Hence, a balanced diet is necessary to maintain a healthy body.

[ B ] Health depends on three major factors- physical, social and mental. If the environment is contaminated it adversely affects the physical health of the organism residing in the particular area. For example- if there are unhygienic conditions in surrounding area, it may pose a threat to the inhabitants of the particular area.

[ C ] This is so because many water-borne diseases and insect vectors flourish in stagnant water which causes diseases in human beings.

[ D ] A healthy social environment provides mental peace and stability. Public cleanliness is important for individual health. For better living conditions lot of money is required. Nutritious food is required to maintain healthy body which needs monetary strength. For the treatment of diseases also, one has to be in good economic condition. Thus, social harmony and good economic conditions are necessary for good health.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

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