Fetal Development

When an egg is first fertilized it is known as 

• a nucleus
• an embryo
• a zygote
• a fetus

When a fertilized egg divides and forms a ball of cells, it is known as...

• a nucleus
• a fetus
• a zygote
• an embryo

Where does the implantation occur and the zygote develop?

• in the uterus
• in the ovary
• in the vagina
• in the fallopian tube

The developing embryo is fed by its mother’s blood through a tissue called the

• placenta
• vagina
• amnion
• uterus

What is the first organ that begins to function in the developing embryo?

• the lungs
• the limbs
• the brain
• the heart

The developing embryo is connected to the placenta by

• the spinal cord
• the umbilical cord
• the amniotic fluid
• the developing nerves

Week 9/ 10 the baby acquires features and is then referred to as

• an embryo
• a fetus
• a zygote
• a newborn

Tags

NGSS.HS-LS1-4

Approximately how many weeks after fertilization is baby is ready to be born ?

• 17 to 24
• 24 to 36
• 22 to 48
• 40 to 42

A baby comes out of what part of a mother’s body?

• vagina
• placenta
• uterus
• fallopian tube

Which of the following does NOT happen to the fetus during weeks 9 to 16?

• It doubles in size
• It can hear sounds
• Its muscles grow stronger
• It makes movements the mother can feel.