Answer:
Explanation:
I think the answer is B middle stage
Please give me brainliest if it helped
The most common way to get your blood flowing is by exercising, improving your diet, have a hot bath, etc.
Answer:
In animals that give live birth, the fetal circulation is the circulatory system of a fetus. The term usually encompasses the entire fetoplacental circulation, which includes the umbilical cord and the blood vessels within the placenta that carry fetal blood.