High-dose radiation can indeed **damage and suppress the immune system**, primarily by killing or impairing critical immune cells such as lymphocytes, which are essential for coordinating the body’s defense against infections, inflammation, and tumors. The extent of this damage depends…
Radiation victims bleed easily primarily because radiation severely damages the bone marrow, which is responsible for producing blood cells, including platelets that are essential for blood clotting. When radiation exposure is high enough, it destroys these blood-forming cells, leading to…
Radiation victims often lose hair because radiation damages the rapidly dividing cells in hair follicles, disrupting their normal growth cycle. Hair follicles are among the fastest-growing cells in the body, and when exposed to radiation—especially at high doses—the DNA within…
Gastrointestinal tissue is highly sensitive to high radiation primarily because it contains rapidly dividing cells that are crucial for maintaining the lining and function of the digestive tract. Radiation damages these proliferating cells, disrupting their ability to regenerate and repair,…
Radiation can indeed damage the nervous system, affecting both its structure and function in various ways. The nervous system, which includes the brain, spinal cord, and peripheral nerves, is highly sensitive to radiation exposure because it relies on complex cellular…
Bone marrow destruction is often fatal because bone marrow plays a critical role in producing the blood cells essential for life. When the bone marrow is destroyed or severely damaged, it can no longer produce enough red blood cells, white…
Gonads, which are the reproductive organs responsible for producing sperm in males (testes) and eggs in females (ovaries), can indeed be sterilized by radiation. Radiation sterilization occurs when ionizing radiation damages the cells within these organs to such an extent…
The thyroid gland is a common target of radiation primarily because of its unique biological function and its sensitivity to radioactive iodine. The thyroid’s main role is to absorb iodine from the bloodstream to produce thyroid hormones, which regulate metabolism,…
The organs most vulnerable to radiation exposure include the **bone marrow, gastrointestinal tract, skin, thyroid gland, eyes (especially the lens), lungs, brain (central nervous system), and reproductive organs**. Each of these has distinct sensitivities and injury patterns depending on radiation…
Different tissues in the body have varying sensitivity to radiation primarily because of differences in their cellular characteristics, rates of cell division, and biological functions. The fundamental reason lies in how radiation damages cells and how those cells respond or…