Finding out if an exercise is safe needs to determine the fitness level of the exercise and how much it takes to achieve the result of the exercise. The person performing the exercise needs to know their endurance level and if they are able to perform the exercise without injury or illness.
The name lactose is converted to when it is present in the cell is allolactose
Answer:
Diet is necessary to get all the required nutrients that your body needs..
and physical fitness is necessary to maintain the level of all the nutrients like there should not be any kind of extra amount of a particular nutrient like carbohydrates..protiens..etc..
in short we can say to keep you fit and healthyy..
I believe this would be the second one.
hope this helps!