which part of the human body is first highly affected by nuclear radiation?

Answer 1

Hairs and skin. spartan

Answer 2

The cells that divide most rapidly are affected first:

blood (including the immune system)
GI tract
reproductive
hair cells


It also depends on the nature of the radiation (alpha, beta, gamma), length of exposure, intensity of the radiation, etc.

For example, alpha radiation outside the body is not a hazard. Alpha radiation inside the body from the element radium, that substitutes for calcium, destroys the bones.

For more information, see:

http://www.atomicarchive.com/Effects/radeffects.shtml


For a graphic picture of a hand with radiation burns, see:

http://images.google.com/imgres?imgurl=http://upload.wikimedia.org/wikipedia/commons/f/f9/Radiation_Burn_Hand_of_Daghlian.png&imgrefurl=http://commons.wikimedia.org/wiki/Image:Radiation_Burn_Hand_of_Daghlian.png&h=237&w=250&sz=48&hl=en&start=2&um=1&tbnid=cS2p8vqD1WP0PM:&tbnh=105&tbnw=111&prev=/images%3Fq%3Dradiation%2Bburn%26svnum%3D10%26um%3D1%26hl%3Den%26safe%3Doff

Answer 3

Nuclear radiation? What the heck are you talking about?
Gamma rays? Alpha rays? Beta rays? What? Sloppy questions will get sloppy answers.

Answer 4

All of Japan, except the 20 km security one is safe. All reactors have been shut down. Okinawa, Kyushu(including Fukuoka), Akita, Shikoku, Yamaguchi, Kyoto, Hyogo as well as Hokkaido are all safe.

Answer 5

nuclear radiation first affected our genetic hereditary which is known as genetic and somatic changes....
but in case of organs it affected our skin bcoz our skin is exposed to radiation

Answer 6

The part that's closest to the source.

Answer 7

The skin.

Answer 8

If you are looking directly at it, the eyes.

If not, the skin.

Answer 9

skin

Answer 10

It must be the brain.