Olympic athletes have lower resting heart rates
a. their lungs tend to be naturally larger.
b. they exercise regularly, which improves the efficiency of their heart.
c. they tend to eat low-fat diets.
d. they have a lot of muscle mass due to weightlifting.

The word means the use of rules to control behavior

Which of these is a feature of audible pedestrian crosswalk signals? o a. pedestrian tracking o b. emergency instructions o c. button location signaling od. responses to voice commands

What are the symptoms of trichomoniasis in males? a. painful urination, a dark discharge from thepenis, with no itchingb. painful urination, a dark discharge from thevagina, with no itchingc. painful urination, a clear discharge from the vagina, and some itchingd. painful urination, a clear discharge from thepenis, and some itching