Examlex
B stars are cooler than M stars.
Heart-rate Reserve
The difference between a person's resting heart rate and maximum heart rate, used to gauge exercise intensity.
Intensity Level
A measure of the exertion or effort put into a physical activity or exercise, typically described as light, moderate, or vigorous.
Lack Of Time
A situation where the amount of time available is not enough to achieve or complete desired tasks or goals.
Cardiorespiratory System
The body system consisting of the heart, blood vessels, and lungs, responsible for transporting oxygen to tissues.
Q12: Which of the following are manifestations of
Q13: An accretion disk forms around a collapsing
Q14: Suppose you go out hiking in the
Q15: Which molecule moves with the fastest average
Q30: The center of Earth is hotter than
Q33: Over the past 50 years,the average temperature
Q41: As a group,the giant planets all rotate
Q50: What can solve the flatness and horizon
Q52: If Saturn's rotational period is 11 hours
Q59: Spectra of the least massive main-sequence stars