40 weeks Explation: a woman is pregnant for 9 months if you add up all the weeks it is 40
How many calories do you have to burn to lose 2 pounds a week?
One pound is equivalent to 3,500 calories, which means you need to cut out 1,000 calories a day for one week to lose 2 pounds.
muscular strength pushup pullup
Species is a less specific level of classification than domain.