blood

Tag archives for blood

There is an updated version of this post here: “Is Blood Ever Blue, Science Teachers Want To Know!“ According to one of the leading experts on the human circulatory system, blood flowing through veins is blue. I’m not going to mention any names. All I’ll say is this: A person I know visited a major…

There is an updated version of this post here: “Is Blood Ever Blue, Science Teachers Want To Know!“ Why ask the question, “Is blood ever blue?” According to one of the leading experts on the human circulatory system, blood flowing through veins is blue.