Your little sister, who is 13, has a bust that is visibly increasing. What type of sex characteristic describes this change?

Name: Your little sister, who is 13, has a bust that is visibly increasing. What type of sex characteristic describes this change?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Secondary sex characteristics are physical changes that occur during puberty but are not directly related to reproductive organs. Breast development in females is a secondary sex characteristic.

Your Little Sister, Who Is 13, Has a Bust That