After Theo turned 13, he noticed that his voice deepened, and the hair on his arms and legs grew thicker and darker. Both of these physical changes are considered to be typical changes in boys' __________ that occur during puberty.

-primary sex characteristics
-secondary sex characteristics
-limbic systems
-maturation processes


-secondary sex characteristics

Psychology

You might also like to view...

The early approach in psychology that fostered the development of modern-day applied psychology was

a. structuralism. b. behaviorism. c. functionalism. d. pragmatism.

Psychology

Child factors associated with the development of eating disorders include which of the following?

a. personality characteristics b. sexual orientation c. participation in some types of competitive sports d. all of the above

Psychology

Among the seven kinds of intelligence, Howard Gardner includes

a. language ability. c. sensitivity to other's feelings. b. awareness of one's own feelings. d. all of these.

Psychology

Tina is 14 years old and having her first child and has a higher likelihood of a premature delivery because

a. she has an immature reproductive system. b. this is her first child. c. the father is also a teenager. d. she is having a single birth (rather than twins).

Psychology