GROWTH & CHANGE Mrs. Lord Unit 3 Lesson 1.

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Presentation transcript:

GROWTH & CHANGE Mrs. Lord Unit 3 Lesson 1

The period from childhood to adulthood. Adolescence - The period from childhood to adulthood.

Puberty - When a person begins to develop certain traits of an adult of his or her own gender. Puberty marks the beginning of adolescence.

- Hormones During Puberty What is responsible for the changes that affect teens during puberty?? - Hormones

Hormones- -What is a Hormone? Chemical substances that are produced in glands. They play a role in sexual growth, development, and reproduction.

Hormones Testosterone – Male hormone Estrogen & Progesterone Female hormones

Primary Sex Characteristics - -related directly to the production of reproductive cells which is called, Gametes. Male gametes – sperm Female gametes - eggs (ova)

Secondary Sex Characteristics- Additional changes during puberty that occur over several months or years. What do you think these are????

Secondary Sex Characteristics: Males: Facial hair appears Body hair appears Voice deepens Shoulders broaden Muscles develop Hairline begins to recede Perspiration increases

Secondary Sex Characteristics: Females: Breasts develop Body hair appears Waistline narrows Hips widen Body fat increases Menstruation starts Perspiration increases

Homework what is a hormone? What is puberty? What are 2 female and 2 male secondary sex Characteristics name the male/female gamete __?__ They play a role in sexual growth, development, and reproduction. __?__ is The period from childhood to adulthood

Grab a Book Turn to page 242 – Read lessons 1 and 2