2.01 Child Development

A developing human from usually two months after conception to to birth

• Fetus

• Zygote

A fertilized egg, created when sperm meets an egg in one of the fallopian tubes

• zygote

• fetus

A baby during weeks 3-8 when cells continue to rapidly divide and beign to take on different functions

• placenta

• embryo

the flattened circular organ in the uterus of pregnant women, which provides nourishment and maintains the fetus through the umbilical cord

• placenta

• uterus

Where does the placenta attach?

• to the uterus

• to the baby

• both are correct

• neither are correct

A hollow, pear-shaped organ in a woman's pelvis, where a fetus develops and grows

• fallopian tube

• uterus

A pair of tubes through which female eggs travel from the ovaries to the uterus

• fallopian tubes

• Bronchial tubes

Ropelike structure that connects a developing embryo or fetus to the placenta

• umbilical cord

• Amniotic sac

What are two main substances that the umbilical cord transports to the baby?

• Blood and hormones

• oxygen and nutrients

What continues to rapidly divide and take on different functions in the embryonic stage?

• cells

• Muscles

• Bones

• Organs