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Q&A

Posts tagged blood

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Q&A Do dead human bodies have a particular smell?

I'm working on a story where there is a crime scene where the protagonist (who has a superhuman sense of smell) notices a scent that smells like human corpses due to their abilities. I'm wondering ...

3 answers  ·  posted 2y ago by user2352714‭  ·  last activity 2y ago by user2352714‭

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Q&A Would cold-blooded dragon be suitable for flying?

I am designing a cold-blooded dragon about the size of a house cat with a wingspan of 3 metres from tip to tip. It will climb on top of rocks at noon when there is ample sunlight overhead. I need i...

2 answers  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A Could a blood transfusion from immune survivors of a deadly, bioengineered virus grant the same immunity to those who don't have it?

First question so hope I'm doing this right! Working on a setting right now where a bio-engineered virus/plague is wiping out a large portion of humanity. Most died upon first exposure. Some surviv...

1 answer  ·  posted 3y ago by Space_Cadet‭  ·  last activity 3y ago by Space_Cadet‭

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Q&A What kind of metal-based blood types be effective/used in transporting non-oxygen gases and what would their color be?

There's iridium-based blood called Chloro-carbonyl-bis(triphenylphosphine)-iridium that's effective at transporting hydrogen alongside oxygen. What I want to know is that, are there other metal-ba...

1 answer  ·  posted 3y ago by Caveknight32‭  ·  last activity 3y ago by Caveknight32‭

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Q&A Blood for hydrogen breathers

Some follow-up thoughts on this question... Hydrogen isn't very soluble in water. Oxygen is more so, but still sufficiently insoluble that most oxygen-breathing Earth creatures use special oxygen ...

3 answers  ·  posted 3y ago by Logan R. Kearsley‭  ·  last activity 3y ago by Logan R. Kearsley‭

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Q&A Would it be possible for my fantasy creature to have black blood?

A friend of mine has a race of creatures in her headworld and has been wondering about a biological answer to justify the color of her race's blood even though magic is a bit sprinkled in there. ...

2 answers  ·  posted 3y ago by trash_cat‭  ·  last activity 3y ago by trash_cat‭

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Q&A Can a human survive getting back stripped down blood?

Could a humanesque creature derive all its nutrients from drinking blood? One of the linked question's answers talks about the vampire becoming a filtration system from humans, could the vampire f...

1 answer  ·  posted 7y ago by Rayne Thomas‭  ·  last activity 3y ago by Rayne Thomas‭

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Q&A Which hydrogen halide to have in blood to replace water?

So I want to have an alien creature on a planet with a halogen atmosphere. It will have to be at a temperature where the hydrogen halide is liquid or solid. This hydrogen halide I would have as th...

2 answers  ·  posted 4y ago by Caters‭  ·  last activity 3y ago by Caters‭

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Q&A Is acid blood possible?

I'm designing an alien species, whose blood is highly acidic and can easily cause someone's hand to melt down. It's pretty similar to the Xenomorphs from Ridley Scott's Alien, except for the color ...

3 answers  ·  posted 3y ago by Johnara‭  ·  last activity 3y ago by Johnara‭

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Q&A What non-primate animals have similar blood to humans?

I am writing about a blood magic cult, and they drink/paint with collected blood to preform rituals and bursts of magic. Most of their supply is garnered through the use of human cattle, but in a p...

3 answers  ·  posted 3y ago by Alex‭  ·  last activity 3y ago by Alex‭

Question humans fauna blood
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Q&A What can I do to make blood black?

In my world I find it simplest to have iron-based blood. The problem is that iron-based blood is red, and I want it to be black. Two things come to mind; one is making the blood denser, resulting i...

7 answers  ·  posted 7y ago by Uncle Tres‭  ·  last activity 3y ago by Uncle Tres‭

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Q&A Other blood colors

Many people know that our blood is red because it is iron based. Many people also know that blood is blue or green if it is copper based. I'm wondering what color blood would be if it was let's say...

6 answers  ·  posted 7y ago by Uncle Tres‭  ·  last activity 3y ago by Uncle Tres‭

Question reality-check blood
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Q&A Radiation shielding in the blood?

I wanted a creature that produces something in its blood to protect itself from SEP (solar energetic particles) and GCR (galactic cosmic rays). The skin of the creature is normally sufficient prote...

6 answers  ·  posted 5y ago by Johnny‭  ·  last activity 3y ago by Johnny‭

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Q&A Bouncing Beads of Blood - Just how cold would it have to be?

My heroine has been stabbed - run through the abdomen by a foot-long dagger - and is bleeding to death. She is currently crawling toward her salvation through a very cold place. She is magically ...

2 answers  ·  posted 4y ago by Monty Wild‭  ·  last activity 4y ago by Monty Wild‭

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Q&A Could an organism have several oxygen transport proteins?

Can an organism have several types of oxygen carriers in its blood? Note that I am not asking how the creature could have evolved, that is too much sci-fy, genetically engineering or Deus Ex Mach...

3 answers  ·  posted 4y ago by Ender Look‭  ·  last activity 4y ago by Ender Look‭

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Q&A How long a human being could live with stem cells?

I once saw an experiment with mice, where they connected the bloodstream of a younger mouse to the bloodstream of an older mouse. And the older mouse became "younger", or at least healthier. If I ...

2 answers  ·  posted 4y ago by Neto Ananias‭  ·  last activity 4y ago by Neto Ananias‭

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Q&A Could DNA Survive in Outer Space?

In my story the inhabitants of Earth are near extinction. They want to make a capsule of a bunch of human DNA and blast it toward the Andromeda galaxy. They take 1 oz of every blood type still liv...

2 answers  ·  posted 4y ago by AdrienDaBoss‭  ·  last activity 4y ago by AdrienDaBoss‭

Question space genetics blood
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Q&A Would it be possible for mammals to evolve blue blood?

Ever since I found out about the green blooded skink, I have wondered if it's possible for other blood colours to evolve among vertebrates, specifically blue in mammals.

7 answers  ·  posted 4y ago by Drk Lord Stan‭  ·  last activity 4y ago by Drk Lord Stan‭

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Q&A How can a person be kept alive while being periodically drained of blood?

I have invented a large machine that allows me to create monsters out of blood. These monsters are called golems and are very powerful. My plan is to produce a large number of them to include in my...

7 answers  ·  posted 4y ago by Incognito‭  ·  last activity 4y ago by Incognito‭

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Q&A Human Blood Reactivity on an Alien Species' Skin

What would be a valid reason for human blood/sweat/body fluids being toxic/harmful/caustic to an alien species' skin? What would the aliens' organic biochemistry be like and what would their DNA b...

2 answers  ·  posted 4y ago by Moin‭  ·  last activity 4y ago by Moin‭

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Q&A How well could a dog pick out the scent of a single person in a pool of carnage?

I'm writing about a world that predates most modern forensic techniques, and I am looking for some old-fashioned methods of sleuthing that would have been available at around the 1850-1900. In on...

6 answers  ·  posted 5y ago by Dog‭  ·  last activity 4y ago by Dog‭

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Q&A Alternative elements for oxygen transport in an alien blood

I am designing an alien civilization for a story, and I am currently in the biological part. They will be oxygen breathers, so they will need to have that oxygen delivered inside their bodies, and ...

5 answers  ·  posted 4y ago by Carlos Zamora‭  ·  last activity 4y ago by Carlos Zamora‭

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Q&A How can I preseve a small sample of blood for centuries?

I have a race of carnivorous mammals (the same from this question) for whom blood plays an extremely important role in cultural rituals. For complex cultural reasons, a member of this race (call hi...

3 answers  ·  posted 6y ago by ApproachingDarknessFish‭  ·  last activity 5y ago by ApproachingDarknessFish‭

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Q&A Cyanoglobin plausible?

I have done research on blood and in particular the component adding color and transferring oxygen. Hemocyanin is directly dissolved into the blood. This works for an octopus, but not a reptilian ...

2 answers  ·  posted 6y ago by Caters‭  ·  last activity 5y ago by Caters‭

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Q&A How much blood does a vampire need?

Assuming that a vampire expends as much energy as a human of similar size how much blood would they need to consume a day? My naive estimate is 2500 calories a day, there are (apparently) about 9...

8 answers  ·  posted 7y ago by Maxim‭  ·  last activity 5y ago by Maxim‭

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Q&A Could a decreased heartrate thanks to better hemoglobin lead to an increased lifespan?

When looking at mammals and their heart rates one can find a correlation between the lifespan of a mammal and their heart rate. Namely most mammals seem to get about 1 billion (the American one) of...

4 answers  ·  posted 5y ago by dot_Sp0T‭  ·  last activity 5y ago by dot_Sp0T‭

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Q&A How would black blood change a human's appearance?

Say they had pale skin, what would they look like? Would the lips be black? Would the vascular system show through the skin more? I'm not very interested in how or why their blood is black, just ho...

2 answers  ·  posted 5y ago by AJ D.‭  ·  last activity 5y ago by AJ D.‭

Question blood anatomy
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Q&A What metal or compounds will make blood silver?

I have a race of people who have silver blood. Thing is, I'm really trying to keep it as realistic as possible despite this being a fantasy world. The blood has raw magic energy in it as well, but ...

5 answers  ·  posted 7y ago by Asralyn‭  ·  last activity 5y ago by Asralyn‭

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Q&A Which is better for vampires: fresh blood or frozen?

Could a humanesque creature derive all its nutrients from drinking blood? Would a vampire get more energy, warmth or nutrients from fresh blood as opposed to frozen? What about fresh blood vs. old...

3 answers  ·  posted 7y ago by Rayne Thomas‭  ·  last activity 5y ago by Rayne Thomas‭

Question vampires blood
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Q&A How do I make a new and interesting type of "Zombie" creature?

CODE DRIVER In my story, I want to have a world in the middle of a zombie apocalypse, but I also want it to feel different from any other interpretation out there. I call my monsters "Odd People" ...

3 answers  ·  posted 5y ago by WaterFire .RTH‭  ·  last activity 5y ago by WaterFire .RTH‭

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Q&A Robots with (specifically red) blood

So I want robot enemies in my series, but I also want gore without killing living creatures (related to this, because the opponent is the same, the gr8 computer) So basically the robots I talking ...

9 answers  ·  posted 5y ago by Mephistopheles‭  ·  last activity 5y ago by Mephistopheles‭

Question blood robots
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Q&A Coboglobin clarification

I've been working on an alien species, and I wanted it to have a blood colour other than red. I was going to go with Coboglobin until I found the sites I was looking at providing diametrically oppo...

2 answers  ·  posted 6y ago by Pcm979‭  ·  last activity 6y ago by Pcm979‭

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Q&A Polycythemia good underground?

Polycythemia is where the hematocrit is above 55%. This can be divided into absolute and relative and absolute can be further divided into primary and secondary. Absolute polycythemia is where the...

2 answers  ·  posted 6y ago by Caters‭  ·  last activity 6y ago by Caters‭

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Q&A What is the botanic equivalent to the circulatory system?

There have been a few questions on mobile plants on this site and even more on their intelligence, but one that has not been asked so far is related to the lifeblood of creatures: blood. Inside of ...

1 answer  ·  posted 6y ago by Uncle Tres‭  ·  last activity 6y ago by Uncle Tres‭

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Q&A Would it be possible to bleed if your blood pressure would be less than atmospheric pressure

If your blood pressure ever falls below the ambient atmospheric pressure would it be possible for you to bleed. Because if blood pressure was less than that of atmosphere air would move in if you g...

2 answers  ·  posted 6y ago by Suhrid Mulay‭  ·  last activity 6y ago by Suhrid Mulay‭

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Q&A The benefits of alternate blood bases?

So, according to Other blood colors it is entirely possible for other blood colours to evolve based on what base they use, but why? What would be the benefits of these different bases? What purpose...

2 answers  ·  posted 7y ago by jeln‭  ·  last activity 6y ago by jeln‭

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Q&A Vampiric Blood River

We've all heard about a river of blood. But what would happen if we had an actual river of blood? Say a band of vampires creates a magical portal that draws blood from all the people in the area ...

2 answers  ·  posted 6y ago by Vulcronos‭  ·  last activity 6y ago by Vulcronos‭

Question flora vampires blood
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Q&A A child of two different blood bases?

If two different species with different blood bases, say iron and copper, had a child together, how would that affect their child? Which blood base would the child inherit? Could they even have a c...

4 answers  ·  posted 7y ago by jeln‭  ·  last activity 7y ago by jeln‭

Question biology blood
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Q&A Would different types of blood (AB-, O+...) have different nutrients for vampires?

How much blood does a vampire need? Could a humanesque creature derive all its nutrients from drinking blood? Both these questions have some good answers and my question is based off them both......

1 answer  ·  posted 7y ago by Rayne Thomas‭  ·  last activity 7y ago by Rayne Thomas‭

Question vampires blood
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Q&A could different bloods of the same metal type mix?

Other blood colors The link about talks about other color's of blood that could be if made with either different metals or different oxygen carrier's. What I want to know is if you mixed iron bloo...

1 answer  ·  posted 7y ago by Rayne Thomas‭  ·  last activity 7y ago by Rayne Thomas‭

Question oxygen metals blood
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Q&A Is the vibrancy of the color of blood visibly affected by blood cell content?

Part of this story I'm writing involves a human subspecies who are adapted to extremely high altitudes -- as high or higher than our real world's Tibetan population, let's say. I've done research t...

1 answer  ·  posted 7y ago by undine_centimeter‭  ·  last activity 7y ago by undine_centimeter‭