Answer: Total volume of fat in his body is 
Explanation:
Density is defined as the mass contained per unit volume.
Given:
Density of fat cells = 
mass of fat cells = 20% of the mass of a 70 kg student's body is fat= 
Volume of fat = ?
Putting in the values we get:
Thus total volume of fat in his body is
C. They diagnose and treat mental health conditions by conducting exams..............
Answer:
....exercise causes moderate-intensity heart rates <em>to beat faster</em> and blood pressures <em>to rise</em> at the same workloads from pre- to posttesting
Explanation:
There has been a relationship between <em>physical activity and excercise like running, rope skipping, squash playing and the heart rates and also the blood pressures in the body</em>.
The heart beat at a normal rythmn rate but when someone is engage in exercise, it leads to a drastic <em>increase in the rythmn rate to a higher degree</em>. As the rythmn increasess, there is a corressponding<em> increase in the</em> <em>blood pressure circulation</em> (rise) within the heart region.
Once the physical activity has ended, the heart rates and blood pressure returns gradually to a normal level.
Answer: stroke, cancer, lung disease mental disorders.
Explanation:If you were addicted to substances, you would find yourself spending more time and money acquiring and using your drug of choice. This means you would have less time for activities you used to enjoy, such as sports and hobbies.
