Test Your Smarts - Body Smartz
Both boys’ and girls’ voices change during puberty.
Animals go through puberty.
Your heart and lungs do not change much during puberty.
Stretching before and after exercise is especially important for preteen and teen athletes.
In puberty, your body will grow faster than at any other time in your life.
- Page last reviewed: May 9, 2015
- Page last updated: May 9, 2015
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