Answer:
the umbilical cord is considered both the physical and emotional attachment between mother and fetus.
Explanation:
this structure allows for the transfer of oxygen and nutrients from the maternal circulation into fetal circulation while simultaneously removing waste products from fetal circulation to be eliminated maternally.
The climate of the tropical zone characterized by a very wet season alternating with a very dry season is wet/ dry topical climate.
Answer:
d coal
Explanation:
i need more words for it to let me post this answer blah blah
Answer:
Because Lumbricina ( Earthworm ) Is a living, breathing, animal
Explanation:
