If you can't take your heart rate, a good way to recognize that you're exercising efficiently is whether or not
a. it's difficult to have a conversation.
b. you're gasping for breath.
c. your muscles are burning.
d. you're experiencing a little bit of huffing and puffing.

At age 16, juana has an appropriate weight and eats whatever she wants whats the best stratwgy juana can use to ensure good health? a) walk once a day and start paying attention to her diet to prevent weight gain b)engage in regular. physical activity and get in the habit of eating food that is high in nutrients c) take up an aerobic sport like soccor and reduce her calorie intake to 1800 per day

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

Of good nutrition because it is essential to all forms of metabolism in the body