Exercise intensity refers to how much energy is expended when exercising. Perceived intensity varies with each person. It has been found that intensity has an effect on what fuel the body uses and what kind of adaptations the body makes after exercise.
A is incorrect. Eating nothing but fruits will not provide you with the right amount of carbohydrates and proteins everyday. C is incorrect. It is not enough that we eat one of each food group since we have target calories per food group. D is incorrect since calcium is not only what our body needs. B is correct, we have target number of calories each day in our diet.
I think the correct answer from the choices listed above is the third option. Resistance of a material being scratched in known as hardness. It <span> is defined as the ability of a material to resist plastic deformation. Hope this answers the question. Have a nice day.</span>
Steroid hormones are nonpolar and cross the cells plasma membrane , binding to receptors inside the cell. ... It allows for the movement of ions across the plasma membrane