circulation of the blood occurs in mammals b/c of the heart. it pumps the blood through out the body, which is circulation. the heart is an organ of the circulatory system
Fish have single-loop circulation.
Fallopian tubes
Oligocene
in mammals, what structure ensures the exchange substances between the embryonic and material blood circulation
juyp'[
Because it was rung 3 times before every battle.
Yes. This is a feature of all mammals, and if this did not occur, the animal would not be classified as a mammal.
lymphatic system, blood circulation system
k
The main part of the circulation of a tornado when the strongest winds occur is called the core.
No, just as for other mammals, there must be a male and a female for pregnancy to possibly occur.
the veins are slighly different from another but the main difference is the warm blooded mammal compared to the cold blooded amphibian