Fetal Development
At what week does the placenta form?
Weeks 3–4
What comes after infancy?
Early childhood (18m–3y)
Which gland is the “master gland”?
Pituitary gland
Which hormone is the growth hormone?
Somatotropin
How any vessels carry oxygen to the baby
2 artery, 1 vein
At 6 months, what milestone happens?
Baby can hear sounds
What stage is from 6–12 years old?
Later childhood
Which gland controls metabolism?
Thyroid gland
Which hormone controls metabolism?
Thyroxine
Which hormone is linked with metabolism?
Thyroxine
At 7 months, what milestone happens?
Eyes open but limited sight
What stage marks the change to adulthood?
Adolescence
What system controls growth and development?
Endocrine system
Which hormone helps the body respond to emergencies?
Adrenaline
Which substance passes nutrients and oxygen to the baby?
Placenta
At 8 months, what milestone happens?
Fingernails form
List all four stages in order
Infancy → Early Childhood → Later Childhood → Adolescence
Which gland releases adrenaline?
Adrenal
Which gland produces somatotropin?
Pituitary
Which hormone is released in stressful situations?
Cortisol
From birth to 18 months, how does a baby’s body grow?
Weight triples, height doubles
During adolescence, what controls physical changes?
Hormones
Which gland makes somatotropin (growth hormone)?
Pituitary gland
Which hormones come from the reproductive glands?
Estrogen and testosterone
Umbilical cord