Puberty

Estrogen is the hormone that causes most of the changes in a guy's body during puberty.

• True

• False

Why do teens develop body odor when they enter puberty?

• They don't wash

• An increase in classroom stress causes teens to smell.

• Puberty hormones affect glands in your skin, and the glands make chemicals that smell bad.

List four changes that occur during puberty.

• production of testosterone; shrinking spurt; hair loss; body odor

• production of testosterone; weight loss; hair loss; muscle strength

• production of testosterone; growth spurt; hair loss;

• production of testosterone; growth spurt; hair growth; body odor

During the menstrual cycle, an egg comes out of an _________ and begins a trip through the fallopian tube to the uterus.

• ovary

• uterus

• stomach

• liver

Estrogen is the hormone that causes most of the changes in a girl's body during puberty.

• True

• False

Which part of a guy's body produces sperm?

• penis

• testes

• epididymis

• vas deferens

In general, girls enter puberty

• at the age of 12

• at the same time as boys

• later than boys

• earlier than boys

What causes puberty to start?

• Hormones
• Gender
• Genetics
• Body Size

Everyone goes through puberty at the same speed. 

• True
• False

You should always wear _________________.

• deodorant

• weight

• heat

• air conditioning