A weight-training program that gradually increases the resistance lifted relies on the progression principle to build strength, where strength is the amount of force a muscle can exert. The principle of progression states that you should overload gradually and that <span>there is a perfect level of overload in-between a too slow increase and a too rapid increase.</span>
You know that there is a difference between plant cells and animals cells. The plant cells have a cytoplasm while the animal cells do not. Therefore the answer must be C.
