The average human body has a density of 1.010 kg/litre
The density of pure water is exactly 1 kg/litre
The density of sea water is 1.025 kg/litre
So the average human is denser than fresh water but less dense than seawater.
There are significant differences in density between people, women tend to be less dense than men, muscular people tend to be more dense, fat people tend to be less dense. We can also reduce our density by breathing in deeply.
Incidentally dead bodies tend to float after a few days due to the build up of decomposition gases within the body reducing its density.
Sources
Density of human body - http://en.wikipedia.org/wiki/Orders_of_magnitude_(density)
Density of sea water - http://en.wikipedia.org/wiki/Sea_water
Of course it is. That is why bubbles rise to the top.
No. The human body's density is very slightly below that of water, as the body contains air pockets that more than make up for the slightly heavier parts, and the rest is just water itself.
yes, its mainly adipose tissue
yes. we are more dense than water
Ice is less dense than liquid water.
yes
yes
No, it is more dense. If it were less dense it would float.
more dense
Ice cubes are less dense than liquid water, which is why they float.
Ice is less dense than water, that's why it floats.
zinc is more dense than water
Rice is more dense than water , while the human body is very less dense than water
Density is defined by how compact a particular substance is. In the case of the density of water verses the human body, your body is slightly less dense than water that is why humans can float.
That the human body is less dense then the water below them? Or, it shows that the oxygen in the blood and in the body/lungs is enough to keep us floating! :P
A body floats in water because it is less dense than water.
You can put a uniform object into water.If it sinks density is higher than water,if floats lesser than water.If you can place anywhere in water,density is equal to water.
no
Ice is less dense than water
After a human body dies, it begins to decompose and this causes gases to accumulate which will cause the body to float, temporarily.
A wooden block can be less dense than water.
If more dense, it will sink when put into water; if less dense it floats.
Oil IS already less dense than water.
No. Ice is less dense than water. Because ice is less dense it displaces less water and floats. Water is most dense at 4o C. any change in temperature, either up or down, lowers the density.