Read Puberty for Free Online Page A

cease completely menstruation the bleeding that follows the breakdown of the lining of the uterus every four weeks if the egg produced by the ovaries remains unfertilized obese severely overweight, for adults a BMI of 30 or above obesity state of being severely overweight
    orgasm sexual climax that brings intense pleasure
    ovaries female reproductive organs that produce eggs penis male reproductive organ
    pore any tiny hole in the skin admitting passage of a liquid progesterone female sex hormone
    purging getting rid of; cleansing
    reproduction creating babies
    schizophrenia a serious mental disorder in which people can lose touch with reality. People can have hallucinations and delusions; they may feel paranoid and muddled and have difficulty concentrating.
    scrotum pouch or sack of skin that contains the testes sebaceous secreting sebum or oil
    self-harming deliberately harming oneself (such as cutting or burning the skin) semen the whitish fluid that carries sperm
    sperm male reproductive cell carried in semen
    testes/testicles male reproductive glands
    testosterone male sex hormone
    vagina passage leading from the vulva to the uterus (womb) vulva the female external genital organs including the labia majora, labia minora, clitoris, and the entrance to the vagina

Further Information
    WEB SITES
    www.anad.org
    Web site of the National Association of Anorexia and Associated Eating Disorders.
    www.teenhelp.org
    This web site is run by an international not-for-profit organisation, and offers various different ways for teens to get advice and support.
    www.cyh.com
    Comprehensive web site with kids and teens sections providing information on puberty by the Australian Child and Youth Health Service.
    www.kidshealth.org , and www.teenshealth.com
    These web sites are part of the series of web sites—for kids, teens, and parents—run by the nonprofit Nemours Center for Children’s Health Media. One of the sites’ goals is to give visitors up-to-date information on growth and health issues.
    BOOKS
    Kelli Dunham, The Boys’ Body Book: Everything You Need to Know for Growing Up You , Applesauce Press, 2007
    Kelli Dunham, The Girls’ Body Book: Everything You Need to Know for Growing Up You , Applesauce Press, 2007
    Elinor Greenwood, 100% Me , Dorling Kindersley, 2008
    Elisabeth Henderson and Dr. Nancy Armstrong, 100 Questions You’d Never Ask Your Parents , Uppman Publishing, 2007

Index
    alcohol 16, 43
    antiperspirant 8, 24–25
    arousal 18, 28
    bacteria 22–23, 24–25
    baby fat 32
    body hair 7, 8, 14–15, 16
    body image 33–34
    body mass index (BMI) 32, 35
    body odor (BO) 8, 24
    body parts (female) breasts 8, 10–11, 13
clitoris 28
fallopian tubes 12
labia 8, 11
nipples 8, 10, 28
ovaries 8, 12, 28
uterus 12–13
vagina 8, 12, 13, 28
vulva 8
    body parts (male) Adam’s apple 15
breasts 16–17
nipples 17
penis 15, 16, 18, 28
scrotum 16
testes 14–15, 16
    bra 10, 11
    brain 6, 27, 38, 39
    chemicals 6
    cravings 13
    dermabrasion 23
    diet 8, 27, 32–33, 35, 36–37, 38–39
    drugs 16
    eating disorders 34–35, 36–37, 38
anorexia nervosa 36–37
binge eating 36
bulimia nervosa 36–37
    ejaculation 18
    emotions 7, 13, 26–31, 36–37, 39, 40–41
mood swings 26–27, 38–39
stress 22, 27, 38–39, 40–41
    energy levels 7, 27, 32, 41
    erection 16, 18, 28
    exercise 9, 27, 32–33, 38–39
    genes 22
    genitals 25
    glands 6
adrenal glands 8, 14, 28
pituitary gland 6
sebaceous glands 20, 22–23
sweat glands 15, 24, 25
aprocrine glands 24
eccrine glands 24
    groin 24
    growth spurt 6–7, 8, 14–15, 32
    hair 15, 20, 22
    health
aching joints 8
anemia 8
asthma 32
body dysmorphia 34
bone and tooth decay 8
cramps 13
headaches 8, 13, 38
heart disease 32
high blood pressure 32
muscle weakness 8
nausea 8, 13
obesity 8, 32–33, 36
stomach aches 38
testicular cancer 16
tiredness 7, 8, 13, 27, 41
type 2 diabetes 32
    hips 8
    hormones 6–7, 17, 26, 40
androgen 14, 16, 20
estrogen 8, 13, 16, 20
progesterone 8
sex hormones 7, 8, 12, 15, 20,