Frequently develop chronic bronchitis, lung cancer, heart disease, and emphysema .

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

Identify two ethical principles that can teens deal with difficult decisions

Sweat glands that cause orders during puberty are present in the body from the time of brith