sexual self Flashcards
(113 cards)
If the egg is fertilized with a sperm
carrying the X-chromosome, the gonads should develop into ??? and the offspring will be ???
ovaries, female
If the egg is fertilized with a sperm
carrying the Y-chromosome, the gonads should develop into ??? and the offspring will be ???
testes, male
puberty stage 1 in girls
age
8-11
- enlargement of ovaries and hormone production starts
- no visible external development yet
puberty stage 1 in girls
puberty stage 1 in boys
age
9-12
- male hormones bcome a lot active
- growth spurt begins
- no visible external development yet
puberty stage 1 in boys
puberty stage 2 in girls
age
8-14
- Development of the breasts
and first breast buds - Area around the nipple
(aureole) increases in size - Pubic hair may also appear
- Increase in height and weight
- Body gets rounder and curvier
puberty stage 2 in girls
puberty stage 2 in boys
age
9-15
- Increase in height and the shape of the body changes
- Development of muscle tissue and fat
- Aureole becomes darker and increases in size
- Testicles and scrotum grow
- Pubic hair begins to appear at the base of the penis
puberty stage 2 in boys
puberty stage 3 in girls
age
9-15
- Breasts continue to grow
- Pubic hair gets courser and
darker - Whitish discharge in the vagina
- First menstrual period may begin
puberty stage 3 in girls
puberty stage 3 in boys
age
11-16
- Penis starts to grow in length
- Pubic hair gets courser and darker
- Face begins to appear more
mature - Shoulders become broader
- Increase in muscle tissue
- Voice starts to change and
deepen - Facial hair on the upper lips
begins to develop
puberty stage 3 in boys
puberty stage 4 in girls
age
10-16
- Aureoles may even get even darker
and separate into little mounds - Pubic hair begins to have a more
adult triangular pattern of growth - Menarche should start now
- Ovulation starts
puberty stage 4 in girls
puberty stage 4 in boys
age
11-17
- Penis grows in width
- Testicles and scrotum continue to
grow; hair grows on the anus - The texture of the penis becomes
more adult-looking - Increase in underarm and facial hair
- First fertile ejaculation
- Skin gets oilier, and voice
continues to deepen
puberty stage 4 in boys
puberty stage 5 in girls
age
12-19
- Full height is reached
- Ovulation becomes regular
- Pubic hair is filled in
- Breasts are fully developed
puberty stage 5 in girls
puberty stage 5 in boys
age
14-18
- Full adult height
- Pubic hair and the genitals
look like an adult man’s do - Shaving is necessary
- Some continue to grow past
this point
puberty stage 5 in boys
The areas of the body that are highly sensitive when stimulated since these have a high number of sensory receptors or nerve endings that react to the stimuli.
erogenous zones
Two Types of Erogenous Zones in the Skin
nonspecific type
specific type