Your answer would be D, push ups
Strength training/ physical training.<span />
Answer: Lean body mass
<span>
Lean Body Mass is
the total weight of your body; it includes the weight of all your organs, skin,
bones, protein content, body water and your muscles minus all the weight due to
your fat mass.
Therefore, any change in the
weight of any of these can be recorded as changes in Lean Body Mass. Moreover,
this describes fat-free mass of your body, which means lean.</span>
The respiratory system can be damaged from smoke inhalation and tar buildup from the chemicals used in tobacco, which can also harm the heart and blood vessels. Two conditions that can be caused from smoking are Heart Disease and Lung Cancer.
The difference is that cardio focuses mainly on your cardiovascular system which is vital in activities such as running, swimming etc. Strength training is mainly based on well, strength. How much weight can be lifted. so the difference really speaks for itself. A runner will mostly do cardio whereas a football player will mainly focus on strength. Both can be used simaltaneously in a work out.