health chapter 1: Developing a healthy body

ovum

the female reproductive cell

sperm

the male reproductive cell

zygote

when the ovum and sperm combine and become one egg

uterus

where the baby is developed and where the zygote travels to

blastocyst

when the zygote makes it to the uterus and becomes a hollow sphere

embryo

when the blastocyst impants on the wall of the uterus

placenta

serves as the kidney, lungs, and intestine

umbilical cord

the baby is attached to the mother

9th week

when the baby starts looking like an actual baby

fetus

what the baby is called from the 9th week to birth

4 months-2 years

the most active/growth of the baby

obstetrician

the doctor who monitors the baby and mother through pregnancy

pediatrician

the child doctor

adolescence

the transition period from a child to an adult

puberty

the visual change of a person changing from a child to an adult

hormones

rapid growth

pineal gland

triggers sleepiness and produces the melatonin hormone

pituitary gland

stimulates growth and releases the somatropin hormone

somatotropin

the growth hormone

thyroid gland

regulates metabolism and releases the thyroxine,the triodothyronine, and the calcitonin hormones

calcitonin

decreases blood calcium

parathyroid glands

releases the parathyroid hormone

parathyroid hormone

increases blood calcium

adrenal glands

releases the adrenaline hormone. increases heart rate and breathing rate

cortisol

stimulates body repair and reduction of swelling

islets of langerhans

releases insulin and glucagon

insulin

decreases blood sugar

glucagon

increases blood sugar

overies

only in women and releases estrogen

estrogen

stimulates development of feminine secondary pregnancy charactoristics

testes

only for men releases the testosterone hormone

testosterone

men’s masculine hormone