1
Q
CARDIOVASCULAR DEVELOPMENT
A
Starts week 3
Heart = first functioning organ
Blood forms:
Yolk sac → liver → spleen → bone marrow
2
Q
PLACENTA
A
Exchange O2, nutrients, waste
Produces hormones
3
Q
UMBILICAL CORD
A
2 arteries → waste OUT
1 vein → oxygen IN
4
Q
ORGANOGENESIS
A
(WEEKS 4–8)
Organs form
Limb buds appear
Face, ears, eyes develop
👉 This is when defects happen if something goes wrong
5
Q
FETAL PERIOD
A
Growth + differentiation
Less sensitive than embryo stage
🧬 DEVELOPMENT & INHERITANCE
flashcards
Decks in class (6)
# Cards
