The Stage Of Development Flashcards
At what stage of human embryonic development does the neural tube begin to form?
4 week human embryo
During weeks 4-5, which major structure begins to form in the embryo?
Heart
The fully developed human embryo stage is referred to as
Fetus
the stage of fully developed structures begins at the end of the 8th week
Fetal stage
What was this organisms, what it is now and what will it become?
How from so simple a beginning do endless form to develop and grow and mature
Pre-natal period
From birth to 2 years
Infancy
6-12 years
Middle and late childhood
At what age does adolescence start
13-18 years
Is a time for work and time for love, sometimes leaving little time for anything else
Early adulthood 19-29
30-60 years
Middle adulthood
61 years and above
Late adulthood