Fetal hearing: By week 24 of development, a fetus can hear and recognize the sound of their parent's voice.
Chapter 1

The cellular blueprints of life

Chapter 2

The hormonal orchestra and anatomy

Chapter 3

The spectacular moment of conception

Chapter 4

The journey from cell to baby

YOUR GOAL

Master of The human reproductive system

Ch 4 · The journey from cell to baby
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artiteacher The rapid construction of the embryo

Jul 11

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artiteacher Prenatal Development

We got a zinc spark—(so bright!) / Life is starting in the dark—(yeah, tonight!)

Jul 10

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artiteacher The transition to a growing fetus

Jul 11

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The transition to a growing fetus

artiteacher From week nine until birth, the developing human is called a fetus, focusing on growth and refinement.

Jul 10

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The rapid construction of the embryo

artiteacher During the first eight weeks, the embryo develops all major organ systems from scratch.

Jul 10

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The journey from cell to baby
BETA

artiteacher Sort each stage of growth to discover how a single cell becomes a baby.

Jul 10

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Fun Fact

Fetal hearing: By week 24 of development, a fetus can hear and recognize the sound of their parent's voice.

Jul 10

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Glossary
gestation (noun)
The process or period of developing inside the womb between conception and birth. In humans, this developmental process lasts approximately forty weeks as a fertilized egg grows into a newborn.

Jul 10

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Gossip

Which baby sense is the coolest?

Jul 10

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Quiz

What is the name of the fluid-filled sac that cushions and protects the developing fetus?

Jul 10

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artiteacher The temporary organ that acts as a lifeline

Jul 11

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Quiz

Around which week of development does a human embryo's heart begin to beat?

Jul 10

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artiteacher The chemical trigger for birth

Jul 11

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Quiz

At what week of development is the embryo officially classified as a 'fetus'?

Jul 10

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Quiz

Which hormone is primarily responsible for causing uterine contractions during labor?

Jul 10

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Quiz

At what week of development do a fetus's unique, permanent fingerprints fully form?

Jul 10

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Quiz

What triggers the mother's body to begin the process of labor and childbirth?

Jul 10

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Quiz

Which unique, temporary organ is developed to nourish the baby without mixing maternal and fetal blood?

Jul 10

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Quiz

By which week of pregnancy do a fetus's ears become developed enough to hear external sounds?

Jul 10