Human Reproduction - Section 1.2 Flashcards
What is puberty?
A stage where the body changes and becomes able to reproduce.
What gland starts puberty by releasing hormones?
The pituitary gland.
What age range does puberty usually begin for girls?
Between 7 and 13 years old.
What age range does puberty usually begin for boys?
Between 9 and 15 years old.
Name 2 general physical changes during puberty.
Growth spurts and body hair.
Name 2 specific changes in girls during puberty.
Breast growth and start of menstruation.
Name 2 specific changes in boys during puberty.
Facial hair and deeper voice.
What is menstruation?
A monthly discharge of blood that happens when no pregnancy occurs.
What are the ovaries responsible for?
Producing eggs (ova).
What do the testes produce?
Sperm cells.
What is fertilization?
When a sperm joins with an egg to form a zygote.
What is the path of the fertilized egg?
From the fallopian tube to the uterus.
What is the organ where a baby grows?
The uterus.
Name one physical and one emotional change during puberty.
Physical: body odor | Emotional: mood swings
What is sexual health?
Being responsible and informed about sexual activity and your body.
Name a physical contraceptive.
Condom.
Name a hormonal contraceptive.
The pill.
Do hormonal contraceptives protect against STIs?
No
What does HIV do to the body?
It attacks the immune system.
What are three stages after fertilization?
Zygote → Embryo → Fetus → Baby.