In the Sequence of Changes That Take Place During Puberty

question 266

Multiple Choice

In the sequence of changes that take place during puberty, the first change in girls and boys is usually

• A) a spurt growth
• B) growth of underarm hair.
• C) the appearance of pubic hair.
• D) enlargement of breasts and testes.

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Definitions:

Central Nervous System

The complex network of nerve tissues that controls the activities of the body and mind, consisting of the brain and spinal cord.

Peripheral Nervous System

A part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Behavioral Geneticist

A scientist who studies the role of genetics in shaping behaviors, personality traits, and mental health disorders, often through twin and adoption studies.

Identical Twins

Twins that originate from a single fertilized egg that splits and develops into two genetically identical individuals.