When a person is making cardiovascular gains through aerobic activity they are increasing the amount of what to the heart and lungs?

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

Does indrect sunlight does not pose any danger to the skin

Choose thyroid, parathyroid, or the adrenal gland and choose one disease affecting this part of the en-docrine system.