growth & change mrs. lord unit 3 lesson 1. adolescence - the period from childhood to adulthood
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GROWTH & CHANGE
Mrs. LordUnit 3
Lesson 1
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Adolescence -
The period from childhood to adulthood.
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Puberty -
When a person begins to develop certain traits of an adult of his or her own gender.
Puberty marks the beginning of adolescence.
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During Puberty
What is responsible for the changes that affect teens during puberty??
- Hormones
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Hormones-
-What is a Hormone?
Chemical substances that are produced in glands.
They play a role in sexual growth, development, and reproduction.
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Hormones Testosterone – Male hormone
Estrogen & Progesterone
Female hormones
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Primary Sex Characteristics -
-related directly to the production of reproductive
cells which is called, Gametes.
Male gametes – spermFemale gametes - eggs (ova)
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Secondary Sex Characteristics-
Additional changes during puberty that occur over several months or years.
What do you think these are????
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Secondary Sex Characteristics:
Males: Facial hair appearsBody hair appearsVoice deepens Shoulders broadenMuscles developHairline begins to recedePerspiration increases
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Secondary Sex Characteristics:
Females:
Breasts developBody hair appearsWaistline narrowsHips widenBody fat increasesMenstruation startsPerspiration increases
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1. WHAT IS A HORMONE?2. WHAT IS PUBERTY?3. WHAT ARE 2 FEMALE AND 2 MALE SECONDARY
SEX CHARACTERISTICS4. NAME THE MALE/FEMALE GAMETE5. __?__ THEY PLAY A ROLE IN SEXUAL GROWTH,
DEVELOPMENT, AND REPRODUCTION.6. __?__ IS THE PERIOD FROM CHILDHOOD TO
ADULTHOOD
Homework
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Grab a Book
Turn to page 242 – Read lessons 1 and 2