# data[].attributes.body
. starts as a single cell fertilized by a sperm

. all major organs form (excluding the brain and spinal cord)

. head, fingernails, genitals, hands, and toes all form during first trimester

# data[].attributes.body
. urine forms

. begins to hear

. starts to suck thumb

. baby can respond to sound

# data[].attributes.body
. Rapid weight gain

. Starts to practice breathing

. Baby can detect light