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DentinQuarantino t1_izexa2r wrote

Reply to comment by AdEnvironmental8339 in Are there a lot more diseases for land animals than sea creatures? If yes, why? by Bored_Survivor

Eww. Unrelated but I have a wetsuit, snorkel and mask now up for sale. I'll throw in a beach towel and some flip flops too. Need gone.

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kung-fu_hippy t1_izfnp0i wrote

In each cubic meter of air, there is between 2 million and 40 million viruses and 1-10 million bacteria. And we breathe about 0.01 cubic meters of air a minute, so it’s not like it’s that much better on land.

Hell, since you’re breathing air through the snorkel, but wearing a wetsuit and mask for the water, you might well get more viruses from air than water while swimming.

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lubacrisp t1_izfjg2l wrote

I mean, there are about ten times more non-human cells in and on you than human ones. There's no escaping swimming in a sea of microorganisms

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mcr1974 t1_izgldm7 wrote

but why do we not feel the weight of those?

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B1U3F14M3 t1_izgmx46 wrote

You don't feel your own cells too. It's simple you always carry them around so why should you feel them. You don't feel the weight of your t-shirt unless you put it on or off because your body most of the time only feels changes in things.

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mcr1974 t1_izgnaes wrote

I mean, more than feeling - why do they not weight on the scale when I get a measurement

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lordfawn t1_izgzwch wrote

They do have weight, NIH estimates 1-3% of body weight https://www.nih.gov/news-events/news-releases/nih-human-microbiome-project-defines-normal-bacterial-makeup-body#:~:text=Because%20of%20their%20small%20size,vital%20role%20in%20human%20health.

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mcr1974 t1_iziu3qe wrote

but then how can they be 10x as many cells and only weight 1-3‰? our own cells much bigger /heavier? edit:thinking about it, it's probably due to non-cell weight like water, minerals etc?

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