In the Course of Prenatal Development, by the End of the _____

question 48

Multiple Choice

In the course of prenatal development, by the end of the _____ period, the heart begins to beat, the arms and legs become more differentiated, the face starts to form, and the intestinal tract appears in human beings.

• A)germinal
• B)fetal
• C)conception
• D)embryonic

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Definitions:

Frequency

The number of cycles completed by a sound wave in one second, determining the pitch of the sound; expressed in the unit called the hertz.

Researchers

Individuals who conduct systematic investigations to establish facts or principles or to collect information on a subject.

Heterosexuality

A sexual preference that involves being romantically or sexually attracted to people of the opposite gender.

Homosexuals

Individuals who are sexually attracted to members of the same sex.