Download - GROWTH & CHANGE Mrs. Lord Unit 3 Lesson 1. Adolescence - The period from childhood to adulthood
GROWTH & CHANGE
Mrs. LordUnit 3
Lesson 1
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.
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 – spermFemale 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 appearsBody hair appearsVoice deepens Shoulders broadenMuscles developHairline begins to recedePerspiration increases
Secondary Sex Characteristics:
Females:
Breasts developBody hair appearsWaistline narrowsHips widenBody fat increasesMenstruation startsPerspiration increases
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
Grab a Book
Turn to page 242 – Read lessons 1 and 2