Which hormone chiefly drives many physical changes of puberty in males, including voice deepening and facial hair growth?

Which hormone is strongly involved in breast development and the start of menstruation during puberty?

During male puberty, which organs make most of the body's testosterone?

During female puberty, which organs make most of the body's estrogen?

Which hormone chiefly supports the pubertal growth of the testes and penis and later sperm production?

After ovulation, which hormone made by the ovaries helps thicken and maintain the lining of the uterus?

At the start of puberty, which gland at the base of the brain releases hormones that signal the testes or ovaries to become active?

At about what age range does puberty usually begin for girls?

During adolescence, a person rapidly gains height over a short period. What is this physical change called?

About once a month, blood and tissue from the lining of the uterus leave the body through the vagina. What is this process called?

An ovary releases an ovum into a fallopian tube. What process has occurred?

Which puberty change happens in both boys and girls?

During puberty, which body part grows larger and causes the voice to deepen?

Why do many teens develop acne during puberty?

In girls, which change is usually the first visible sign of puberty?

Which brain region, located behind the forehead, is still maturing during adolescence and supports planning and decision-making?

The prefrontal cortex helps with impulse control. At about what age does it usually finish maturing?

Which brain region is strongly involved in processing emotional signals such as potential threats?

Which brain region is closely involved in anticipating rewards and can influence motivated behavior?

At a party, Jordan accepts a risky skateboard dare after friends cheer, though Jordan would likely decline alone. Which explanation best fits adolescent brain development?

Ari buys an expensive game within seconds to impress friends and regrets it later. What developmental factor may be involved?

For online likes, Maya considers copying a dangerous trend without checking its risks. What may be influencing this choice?

Sam drives cautiously alone but speeds up when friends are watching. What best explains the difference?

Lee chooses a contest with a tiny chance of winning because the prize seems exciting, without considering the likely loss. What is a likely influence?

After receiving an upsetting text, Noa starts to post an angry reply but pauses, rereads it, and chooses not to send it. What skill is Noa using?

Kai chooses the first option in a group project without comparing deadlines, workload, or consequences. Which developing ability would help most?

Riley agrees to a risky prank after friends promise it will be funny, then later realizes someone could be hurt. What does this situation show?

Toni wants to stay up gaming despite an early exam and decides quickly without considering how tiredness may affect school. What is a useful brain-development explanation?

Two 13-year-old classmates are at very different stages of puberty. What does this most likely show?

Dev's growth spurt has not started yet, though most classmates have already had theirs. What is true about late starters?