Does the Similarity of Human Blood to Sea Water Prove Life Originated in the Ocean? | The Institute for Creation Research

Does the Similarity of Human Blood to Sea Water Prove Life Originated in the Ocean?

Evolutionists have a bank full of stories used to support evolution which sound good on the surface. I think I first heard this one in a junior high school assembly during a "Mr. Wizard" film. The wise and believable professor in the film convinced his young assistant that evolution had to be true by showing how similar human blood is to seawater. The fact that the same chemicals (such as salt) are in each "proves" man's relation to all of life, which originated in the sea. But as with many of the evolutionary tales, this one doesn't stand up to scrutiny.

First off, while both contain many of the same salts, concentration of dissolved particles in blood is very different from that in seawater. The primary constituents of both are sodium and chlorine (which together make up common salt, NaCl), but seawater has three times as much sodium and five times as much chlorine per unit weight. Hardly the same. Furthermore, it contains eight times as much calcium and fifty times as much magnesium.

On the other hand, some dissolved salts are greater in blood than in seawater. Blood has two hundred times more zinc, two hundred and fifty times more iron, and one thousand times more copper. All of these (and many others) found in both are common minerals found everywhere, in both organic systems and inorganic rocks. Of course they would be found in blood and seawater as well as inorganic clay. Since the suite of these minerals is so different in blood and seawater, it seems unwarranted to claim that one comes from the other. To be fair, this argument for evolution seldom appears in modern textbooks. Its prominence in textbooks from 1940-1970, however, insures its continuance by those who learned it then. It's indelibly imprinted in evolutionary folklore.

The second point which could be made is that the claim for similarity is made comparing human blood to modern-day seawater, but shouldn't it be to seawater long ago, when life arose and the precursors of blood first evolved? We know that the ocean's salinity increases each day, as rivers dump their dissolved solids into it. Evolutionists propose (without evidence) a steady state for the ocean, but wouldn't the concentrations have changed throughout its over (supposedly) three-billion-year history? Maybe the differing concentrations between blood and seawater better prove evolution. Maybe that's their next claim.

Finally, as far as blood is concerned, it's not just the mineral concentration that's important. The cell's DNA is designed to use these minerals to form extraordinarily complex molecules, building structural proteins and enzymes, etc., utilizing the mineral ions to transport nutrients, conduct electrical impulses, barricade out harmful chemicals, and a host of other functions. This is true for both single-celled organisms and multi-celled plants and animals. All of this is far different from anything in seawater. In fact, seawater destroys these necessary constituents of life.

No, blood and seawater are quite different, but even similarity wouldn't prove evolution. Nothing could prove evolution, 'cause it isn't true.

Cite this article: John D. Morris, Ph.D. 2004. Does the Similarity of Human Blood to Sea Water Prove Life Originated in the Ocean?. Acts & Facts. 33 (2).

The Latest
COVID-19
COVID-19 and Evangelicals
On March 27, Katherine Stewart wrote an opinion piece titled “The Road to Coronavirus Hell Was Paved by Evangelicals”1 for The New...

NEWS
It’s Bluebonnet Season!
Now is the season—late March and April—for bluebonnets to blossom in Texas!1 Establishing these beautiful flowers is difficult,...

COVID-19
Fighting Coronavirus with Your PC or Mac
As of March 26, seven hundred thousand people involved in the Folding@Home project are using their home computers to form, in effect, the world’s...

COVID-19
New Study Confirms Suggested Coronavirus Quarantine Period
Medical researchers at Johns Hopkins University have been quickly gathering data from the recent coronavirus outbreak and then evaluating health care policy...

COVID-19
Should Americans Wear Masks for COVID-19?
Watching COVID-19 news reporting on South Koreans and Americans shows one stark difference: South Koreans are wearing some kind of face mask but Americans...

NEWS
Volcanoes, Geoengineering, and the Post-Flood Ice Age
A recent study in March 2020 suggested that sulfur dioxide (SO2) injected into Earth’s stratosphere could fight global warming, with a minimum of...

COVID-19
Mental Immunity
Wash your hands. Use Lysol. Take Vitamin C. Get lots of sleep. In the midst of the coronavirus era, there's enough medical advice floating around...

COVID-19
Coronavirus, Evil, and the Redemption of God
Though the novel coronavirus critically impacts our lives and it is easy to lose hope, God provides us with an eternal hope that will never perish. Our...

COVID-19
White House Briefing on Potential Virus Casualties
Not all White House Press Briefings are of equal importance. But yesterday’s was one of the most informative so far due to the staggering potential...

COVID-19
What New York Times Columnist Katherine Stewart Needs to Know
An Opinion piece for The New York Times by Katherine Stewart1 makes the assertions that President Trump has responded poorly to the coronavirus...