In 1857, kölliker was the first person to isolate mitochondria. was the first to develop the cell theory. was the first person to isolate bacteria. was the first to use the term cell.

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

Select three examples of self-harming behavior. da. burning skin with heated objectsb. eating healthy foodsoc. cutting or sticking skin with sharp objectod. bruising yourself with a heavy object

Why is important to keep your health triangle balanced?