At What Age Does the Average Girl Begin the Adolescent

question 61

Multiple Choice

At what age does the average girl begin the adolescent growth spurt?

• A) 9½
• B) 10½
• C) 11½
• D) 12½

Understand the biological and psychological impacts of prenatal exposure to substances.

Understand the anatomical distribution of different types of body fat.

Explain the influence of genetics on body weight and composition.

Describe methods used to assess body fat and composition.

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Definitions:

Lanugo

Lanugo is fine, soft hair that covers the body of a fetus or a newborn as a form of insulation, which is usually shed before or shortly after birth.

Progesterone

A hormone produced in the ovaries, placenta, and adrenal glands that plays a key role in the menstrual cycle and maintaining pregnancy.

Estrogen

A collection of steroid hormones that play a crucial role in regulating the female reproductive system and the development of secondary sexual traits.

Parturition

Parturition is the process of childbirth, encompassing the stages of labor and delivery through which a baby is born.