Answer:
The mother's cardiovascular system and the placenta.
Explanation:
Babies receive their oxygen and get rid of the carbon dioxide with the help of both the cardiovascular system of the mother and the placenta. The gases dissolve through the placenta and then gets exchanged in the cardiovascular system of the mother. So the answer is the mother's cardiovascular system and the placenta.
I hope this answer helps.
Answer:
they are not specialized, they can divide and renew themselves for long periods of time, and I think the last one is they have the ability to become more than one cell type
Answer:
An organism's genetic makeup is called its genotype
Explanation:
A and d
the DNA is semi conservative
and the DNA pol always synthesize from 5’ to 3’
