True, cells are made of tissues that work together
It’s has cell wall to keep it safe
It would take 18 days, because it takes 3,500 calories to gain a pound, 3500/200 is 17.5, round that up to 18.
The correct answer is D. Push-ups.
<em>Push-ups is the only activity which strengthens muscles and can be completed in school.</em>
Exercise helps muscles to be at rest and also makes someone feel reinvigorated. There are some exercise which are strength-building.
For example, jumping sacks, forward lunges, push-ups, arm extension and plank.