Placenta
It also does not allow the maternal and fetal bloodstreams to mix
Answer:A. Zero population growth.
Explanation:
I took the test.
Answer:
A: Plants and animals exchanging gases with the atmosphere
Explanation:
becaue they both give gas to atmospher
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Answer:
blood can still return via the deep veins
Explanation:
The venous system at the leg is known for its complexity and highly branched nature. The superficial and deep veins, both branches and connects with each other at different points along their length
The climate type that is associated with the savannas is C: Tropical wet and dry.
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