I would say from a forward straight answer to describe very specific identitys like, the type of lizard, color, length, what it likes to eat, etc. :)
The umbilical cords carries nutrients that are entered into mothers bloodstream to the fetus.
if you had to choose between your family and 50% of the rest of the world most people would not make a logical decision
Mammogram is the most common diagnostic test for breast cancer.
sets are how many times you will do a certain exercise. like bench press you might do three sets by 5 times. so you would do 5 reps thats one set then another 5 reps and thats 2 sets and so on