If you want more of something, you have to incentivize it.
It is an embryo because a zygote is just a cell and it turns into a fetus after 8 weeks
Sedentary individuals are often lethargic and show early symptoms of obesity. Less exercise means a slower metabolism. A slower metabolism means that even if an individual is eating what they normally should, it will take them a longer time to burn off the calories they gain.
3(2(8)+1) to (6(8)+3) then 48+3
the answer is 51