Answer:
Explanation:
nomeie means name the structures so heres the answer
veia cava superior
atrio direcito
via cava inferior
ventriculo direcito
arteria aorta
arteria pulmonar
veias pulmonares
atrio esquerdo
ventriculo esquerdo
On higher areas such as hills or mountains
Secondary succession has soil when primary doesn't
I don't know if this helps Sorry if it doesn't I tried
One could be that embryonic stem cell research takes stem cells from human embryos. When this is done, the human embryos dies because it has no stem cells to help it continue growing in the mother's womb.