Answer:
Flexibility plays a big roll in determining my grandmother's level of activity because an elderly person who doesn't exercise at all won't be flexible, and they would haave trouble walking and doing everyday tasks. Meanwhile, an elderly persson who does excercise daily would be much more physically healthy and fit, and still have full movement even at an old age.
Biologically speaking, metabolism is the sum of all chemical processes within the body, though it is often referred to as those which involve digestion and cellular respiration.
That said, the answer here should be B: <span>The process by which the body gets energy from food.
For the record, A is the definition of puberty, C is likely the definition of hormones, and D is the definition of adolescence.
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it is bad for you not to eat for a day or two just to lose weight
The Answer is A.The biceps muscle contracts while the triceps muscle relaxes. Only then can the forearm move up to lift the mug.