Examlex
Light can behave like a particle or like a wave.
Blood Pressure
The force exerted by circulating blood upon the walls of blood vessels, a critical vital sign helping to identify various health conditions.
Cardiovascular Disease
A class of diseases that involve the heart or blood vessels, often associated with atherosclerosis.
Cardiac Event
A medical occurrence related to the heart, often indicating a heart attack or other serious heart condition.
Rehabilitation
A process aimed at enabling persons with disabilities or those recovering from injury to reach and maintain their optimal physical, sensory, intellectual, psychological, and social functional levels.
Q13: Blogging, podcasts, and webinars are part of
Q16: What happens to cores of main-sequence stars
Q43: The planets _ and _ are never
Q44: Use the Hertzsprung-Russell diagram to answer the
Q71: Energy transport by _ is important when
Q89: The pressure of an interstellar gas cloud
Q89: What did Eratosthenes measure very accurately?<br>A) the
Q102: Reflecting telescopes are no longer popular with
Q140: Where is an observer's nadir?<br>A) the east
Q143: The celestial equator always passes directly overhead.