Why do all down syndrome have the same look

What fraction of high school seniors in the united states admit to drinking alcohol

After the and pad aer attached to the victim bare chest the aed detect ventricular fibrillation what is the next step when using an aed

Which of the following is a true statement? a. the male sex hormone is called estrogen. b. the female sex hormone is called testosterone. c. both sexes manufacture some amount of the sex hormone associated with the opposite sex. d. only males secrete testosterone and only females secrete estrogen