Examlex
The two major divisions of the nervous system are the central and the ________ nervous systems.
Sound Waves
Vibrations that travel through the air or another medium, which can be heard when they reach a person or animal's ear.
Fetus
The name for a developing human organism from the start of the ninth week after conception until birth.
In Utero
Pertaining to or occurring within the uterus; often used to describe development or conditions before birth.
Genetic and Environmental Factors
Elements that contribute to the development and characteristics of organisms, including inherited genes from parents and conditions of the environment in which the organism lives.
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