Examlex
Astronomers discover a galaxy 1.4 Gpc from Earth.What is its velocity relative to Earth,and in which direction does it point?
Fetus
A developing human from approximately eight weeks after fertilization until birth, characterized by rapid growth and the maturation of organs and systems.
Pelvis
The lower part of the torso in humans and other animals, enclosed by the pelvic bones and containing reproductive and digestive organs.
Preterm Babies
Infants born before the completion of 37 weeks of gestation, often requiring specialized care due to their undeveloped organs and body systems.
REM Sleep
A sleep phase characterized by rapid eye movement, during which dreaming and increased brain activity occur.
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