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Do You Know Why Dead Bodies Float After 24 Hours - Education - Nairaland

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Do You Know Why Dead Bodies Float After 24 Hours by godyukan: 1:20pm On Sep 23, 2015
The human body is slightly denser than fresh water. Consequently, when unconsciousness takes place, the body sinks. Fat bodies are slightly more buoyant than thin bodies, but still all bodies will sink in fresh water.
If there is considerable clothing on the body along with shoes, articles in the pockets and other paraphernalia, it renders the body considerably less buoyant. The question is often asked, "When a body sinks, how far down will it go?" There is some dispute on this point, but the very best evidence indicates that a body will go to the bottom regardless of how deep the water may be, unless it meets with some obstruction or upward current which tends to prevent it. http://bionicng..com.ng/2015/09/why-dead-bodies-float-after-24-hours.html

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Re: Do You Know Why Dead Bodies Float After 24 Hours by TOMTOM15(m): 4:29pm On Sep 23, 2015
k
Re: Do You Know Why Dead Bodies Float After 24 Hours by Donpoker9(m): 5:10pm On Sep 23, 2015
m
Re: Do You Know Why Dead Bodies Float After 24 Hours by willian10: 5:22pm On Sep 23, 2015
I don't think so in most cases, like President Kennedy son that died in plane crash, they have to go inside Atlantic ocean before his body was recovered
Re: Do You Know Why Dead Bodies Float After 24 Hours by Standing5(m): 5:30pm On Sep 23, 2015
To much forensic files and medical detectives.
Re: Do You Know Why Dead Bodies Float After 24 Hours by LaRoyalHighness(f): 6:32pm On Sep 23, 2015
Ok... Let me go and read.
Re: Do You Know Why Dead Bodies Float After 24 Hours by dkronicle(m): 6:51pm On Sep 23, 2015
mammy water will bless it 1st...

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Re: Do You Know Why Dead Bodies Float After 24 Hours by fr3do(m): 6:58pm On Sep 23, 2015
The body bloats, increasing the volume of water it displaces and according to some buoyancy laws, the upthrust on a body is equal to the weight of the volume of fluid it displaces.

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Re: Do You Know Why Dead Bodies Float After 24 Hours by Nobody: 7:05pm On Sep 23, 2015
fr3do:
The body bloats, increasing the volume of water it displaces and according to some buoyancy laws, the upthrust on a body is equal to the weight of the volume of fluid it displaces.
na only you know book pass abi!!!na make you dey always use your big head dey blockus for class abi.

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Re: Do You Know Why Dead Bodies Float After 24 Hours by fr3do(m): 7:12pm On Sep 23, 2015
hilaomo:
na only you know book pass abi!!!na make you dey always use your big head dey blockus for class abi.

Lol, hate the game, not the player.

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Re: Do You Know Why Dead Bodies Float After 24 Hours by sunkoye: 9:07pm On Sep 23, 2015
The body is a semi permeable membrane. Wen the water permeates or diffuse throw the cells. ..I belive it will get to a point wen the body and the water will create an equal mass hence the loss of gravitational force. Also in the course of diffusion....lots of gases/ temp/ presure are exchanged finding equality. Remeber, agravado's law..." equal volume of all gases with the same temperature and pressure will equal to the same number of molecule"


Just trying to connect the dot ni o.

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Re: Do You Know Why Dead Bodies Float After 24 Hours by sheddo619(m): 9:36pm On Sep 23, 2015
chilling and waiting for the arrival of experts to do justice to this topic, kingtom u are needed ASAP here
Re: Do You Know Why Dead Bodies Float After 24 Hours by calculator123(m): 9:39pm On Sep 23, 2015
op.hmm ok...but there will always be exceptions sha
Re: Do You Know Why Dead Bodies Float After 24 Hours by mundus(m): 9:44pm On Sep 23, 2015
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Re: Do You Know Why Dead Bodies Float After 24 Hours by KingTom(m): 9:49pm On Sep 23, 2015
sheddo619:
chilling and waiting for the arrival of experts to do justice to this topic, kingtom u are needed ASAP here

A cadaver in the water starts to sink as soon as the air in its lungs is replaced with water. Once submerged, the body stays underwater until the bacteria in the gut and chest cavity produce enough gas—methane, hydrogen sulfide, and carbon dioxide—to float it to the surface like a balloon. (The buildup of methane, hydrogen sulfide, and other gases can take days or weeks, depending on a number of factors.) At first, not all parts of the body inflate the same amount: The torso, which contains the most bacteria, bloats more than the head and limbs. The most buoyant body parts rise first, leaving the head and limbs to drag behind the chest and abdomen. Since arms, legs, and the head can only drape forward from the body, corpses tend to rotate such that the torso floats facedown, with arms and legs hanging beneath it.


From http://www.slate.com/articles/news_and_politics/explainer/2005/09/dead_mans_float.html

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Re: Do You Know Why Dead Bodies Float After 24 Hours by sheddo619(m): 9:55pm On Sep 23, 2015
KingTom:


A cadaver in the water starts to sink as soon as the air in its lungs is replaced with water. Once submerged, the body stays underwater until the bacteria in the gut and chest cavity produce enough gas—methane, hydrogen sulfide, and carbon dioxide—to float it to the surface like a balloon. (The buildup of methane, hydrogen sulfide, and other gases can take days or weeks, depending on a number of factors.) At first, not all parts of the body inflate the same amount: The torso, which contains the most bacteria, bloats more than the head and limbs. The most buoyant body parts rise first, leaving the head and limbs to drag behind the chest and abdomen. Since arms, legs, and the head can only drape forward from the body, corpses tend to rotate such that the torso floats facedown, with arms and legs hanging beneath it.


From http://www.slate.com/articles/news_and_politics/explainer/2005/09/dead_mans_float.html
thanks sir for that vital info
Re: Do You Know Why Dead Bodies Float After 24 Hours by KingTom(m): 9:59pm On Sep 23, 2015
sheddo619:
thanks sir for that vital info
no problem boss. But wetin concern Una with dead body and water? grin abi Una don kill troway body for river? shocked
Re: Do You Know Why Dead Bodies Float After 24 Hours by sheddo619(m): 10:09pm On Sep 23, 2015
KingTom:
no problem boss. But wetin concern Una with dead body and water? grin abi Una don kill troway body for river? shocked
no na at least make person just get d knowledge about am
Re: Do You Know Why Dead Bodies Float After 24 Hours by Nobody: 10:23pm On Sep 23, 2015
sunkoye:
The body is a semi permeable membrane. Wen the water permeates or diffuse throw the cells. ..I belive it will get to a point wen the body and the water will create an equal mass hence the loss of gravitational force. Also in the course of diffusion....lots of gases/ temp/ presure are exchanged finding equality. Remeber, agravado's law..." equal volume of all gases with the same temperature and pressure will equal to the same number of molecule"


Just trying to connect the dot ni o.
Acrimedes nko?:/
Re: Do You Know Why Dead Bodies Float After 24 Hours by godyukan: 11:02pm On Sep 23, 2015
Planes dont fly in the oceans, if Kennedy's son was discovered in the ocean it wont be far from were he fell into the ocean. this is jst an extract. you can get details using that link
willian10:
I don't think so in most cases, like President Kennedy son that died in plane crash, they have to go inside Atlantic ocean before his body was recovered
Re: Do You Know Why Dead Bodies Float After 24 Hours by KingTom(m): 11:05pm On Sep 23, 2015
sheddo619:
no na at least make person just get d knowledge about am
No problem.
Re: Do You Know Why Dead Bodies Float After 24 Hours by godyukan: 11:10pm On Sep 23, 2015
SirWere think of buoyancy. ita all about density. initially the density of body is more than that of the water hence it sinks. after sometimes. the action of bacterials from gases which are lighter than the water inside the body make it lighter so it floats
SirWere:
Acrimedes nko?:/
Re: Do You Know Why Dead Bodies Float After 24 Hours by Nobody: 11:14pm On Sep 23, 2015
godyukan:
SirWere think of buoyancy. ita all about density. initially the density of body is more than that of the water hence it sinks. after sometimes. the action of bacterials from gases which are lighter than the water inside the body make it lighter so it floats
The action of Bacteria from gases Hello, does that make sense?
Re: Do You Know Why Dead Bodies Float After 24 Hours by godyukan: 11:19pm On Sep 23, 2015
if you are thinking of cooking gas here thats not what i have in mind.
SirWere:
The action of Bacteria from gases Hello, does that make sense?
Re: Do You Know Why Dead Bodies Float After 24 Hours by Nobody: 11:24pm On Sep 23, 2015
godyukan:
if you are thinking of cooking gas here thats not what i have in mind.
Enlighten me then cheesy
Re: Do You Know Why Dead Bodies Float After 24 Hours by godyukan: 11:30pm On Sep 23, 2015
if you can st read this article. i took time to explain everytin in detail http://bionicng..com.ng/2015/09/why-dead-bodies-float-after-24-hours.html
SirWere:
Enlighten me then cheesy
Re: Do You Know Why Dead Bodies Float After 24 Hours by Nobody: 12:06am On Sep 24, 2015
I prefer Kingtom reply, no be say I understand am, but just because I like the guy!! embarassed embarassed
Re: Do You Know Why Dead Bodies Float After 24 Hours by willian10: 12:08am On Sep 24, 2015
godyukan:
Planes dont fly in the oceans, if Kennedy's son was discovered in the ocean it wont be far from were he fell into the ocean. this is jst an extract. you can get details using that link
Read about his death https://en.m.wikipedia.org/wiki/John_F._Kennedy,_Jr.
Re: Do You Know Why Dead Bodies Float After 24 Hours by TONYE001(m): 12:12am On Sep 24, 2015
Here's why:

1. At death, the body descends to the water bed,

2. Due to obvious loss of ability to control the opening and closing of the orifices (especially the mouth and the nostrils), water finds its way down its pressure gradient into the gastrointestinal and respiratory cavities,

3. Decomposition sets in,

4. In the course of decomposition, carbon dioxide and other gases are released,

5. The accumulating water and gases decrease the density of the body,

6. Flotation begins,

7. As more gases accumulate, the density of the body decreases further,

8. At this point, the body floats to the surface of the water.

The time it takes for a body to float on water depends on a whole lot of factors. .

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