150 likes | 298 Views
GROWTH & CHANGE Mrs. Lord Unit 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
E N D
GROWTH & CHANGE Mrs. Lord Unit 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 – 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