In research terms, what qualifies a study as “valid”? a) if the study proves the hypothesis b) if the study measures what it claims to be measuring c) if the study succeeds d) if the study has strict conditions

Mary is 14 year old her resting heart rate is 70 beats per minute. calculate 50% of mary's maximum heart rate to fine her target heart rate

How hypertension, heart disease, and stroke are related. explain

Question 14 (5 points) what typically happens during the alarm stage of the general adaptation syndrome? a: risk of illness begins to increase. b: the emergency state ends. c: the adrenal glands secrete hormones into the bloodstream. d: the body attempts to regain internal balance.