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  2. Kryptonite - Wikipedia

    en.wikipedia.org/wiki/Kryptonite

    Kryptonite is a fictional material that appears primarily in Superman stories published by DC Comics.In its best-known form, it is a green, crystalline material originating from Superman's home world of Krypton that emits a unique, poisonous radiation that can weaken and even kill Kryptonians.

  3. Human iron metabolism - Wikipedia

    en.wikipedia.org/wiki/Human_iron_metabolism

    The human body needs iron for oxygen transport. Oxygen (O 2) is required for the functioning and survival of nearly all cell types. Oxygen is transported from the lungs to the rest of the body bound to the heme group of hemoglobin in red blood cells. In muscles cells, iron binds oxygen to myoglobin, which regulates its release.

  4. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...

  5. Kryptonian - Wikipedia

    en.wikipedia.org/wiki/Kryptonian

    Kal-El can lead an alter ego as Clark Kent because Kryptonians appear identical to humans. Also, in both Silver Age and Modern Age continuity, Kryptonians have more than one ethnic group, such as dark-skinned Kryptonians from Krypton's Vathlo Island that resemble Earth humans of Sub-Saharan African, Negrito, Melanesian, and Indigenous Australian descent and a group from the continent of Twenx ...

  6. Human thermoregulation - Wikipedia

    en.wikipedia.org/wiki/Human_thermoregulation

    As in other mammals, human thermoregulation is an important aspect of homeostasis. In thermoregulation, body heat is generated mostly in the deep organs, especially the liver, brain, and heart, and in contraction of skeletal muscles. [1] Humans have been able to adapt to a great diversity of climates, including hot humid and hot arid.

  7. Sleep hygiene: What it is and how to establish a better ... - AOL

    www.aol.com/lifestyle/sleep-hygiene-establish...

    She explains that maintaining a consistent sleep schedule works, but it won't work if you're going to bed at midnight and waking up at 4 a.m. every day — that may check the box for consistency ...

  8. Just In: Your Official Astrological Forecast For 2025

    www.aol.com/lifestyle/just-official-astrological...

    July 10: Full Moon in Capricorn - If your work/life balance is off, this lunar event might feel like a wake-up call. This full moon reminds you to prioritize balance—schedule time for deep ...

  9. Cold and heat adaptations in humans - Wikipedia

    en.wikipedia.org/wiki/Cold_and_heat_adaptations...

    The human body always works to remain in homeostasis. One form of homeostasis is thermoregulation. Body temperature varies in every individual, but the average internal temperature is 37.0 °C (98.6 °F). [1] Sufficient stress from extreme external temperature may cause injury or death if it exceeds the ability of the body to thermoregulate.