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
ANSWER:
False
EXPLANATION:
Circuit training program is a training for body conditioning or muscles endurance using high intensity exercises.It targets a person's physical strength and muscular endurance. In circuit exercise there is one complete cycle of all prescribed exercises in the program. When one circuit cycle is complete, a person begins with the first exercise again for the next complete cycle in the circuit program. Typically the time between circuit training exercises is short and often with rapid movement,moving to the next exercises.
