Measuring the number of sit-ups a person can do is a test of a. flexibility
b. abdominal strength
c. cardiorespiratory endurance
d. upper body strength

Anwhen planning a water activity, it's best to include a friend or a group of friends rather than going alone, even if it's aneasy activity. tf

Which of the following can be effective in preventing the onset of viral infection in humans? a) taking vitaminsb) getting vaccinatedc) taking antibioticsd) taking drugs that inhibit transcription

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