Causes, risk factors and preventive measures of obesity — task. Science State Board, Class 10.

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Find out, whether the given statement is true or false and give justification for the same:

1. The heart is a blood-pumping organ.

The statement is

The primary function of the heart is to circulate blood throughout the body.
The heart's primary function is to flatten and contract, and the chest cavity enlarges.

2. Obesity develops when calorie intake exceeds energy expenditure.

The statement is

If the intake of calories is more than energy expenditure, it leads to obesity.
If the intake of calories is more than energy expenditure, it leads to heart diseases.

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