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  2. Integumentary system - Wikipedia

    en.wikipedia.org/wiki/Integumentary_system

    The integumentary system is the set of organs forming the outermost layer of an animal's body. It comprises the skin and its appendages, which act as a physical barrier between the external environment and the internal environment that it serves to protect and maintain the body of the animal. Mainly it is the body's outer skin.

  3. Haematopoietic system - Wikipedia

    en.wikipedia.org/wiki/Haematopoietic_system

    Haematopoietic stem cell transplantation (HSCT) is the transplantation of multipotent haematopoietic stem cells, usually derived from bone marrow, peripheral blood, or umbilical cord blood. [10][11][12] It may be autologous (the patient's own stem cells are used), allogeneic (the stem cells come from a donor) or syngeneic (from an identical ...

  4. Human body - Wikipedia

    en.wikipedia.org/wiki/Human_body

    The human body is composed of elements including hydrogen, oxygen, carbon, calcium and phosphorus. These elements reside in trillions of cells and non-cellular components of the body. The adult male body is about 60% total body water content of some 42 litres (9.2 imp gal; 11 US gal).

  5. Skin condition - Wikipedia

    en.wikipedia.org/wiki/Skin_condition

    Skin condition. A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system —the organ system that encloses the body and includes skin, nails, and related muscle and glands. [1] The major function of this system is as a barrier against the external environment. [2]

  6. Expert tips for holiday travel: When to book, how to save on ...

    www.aol.com/amid-uptick-pre-holiday-travel...

    According to Google Flights, anytime between Oct. 28 and Nov. 19 is the ideal time to book holiday travel at the lowest prices. The cheapest day to book an airline ticket is 58 days before ...

  7. Immune system - Wikipedia

    en.wikipedia.org/wiki/Immune_system

    The immune system, particularly the innate component, plays a decisive role in tissue repair after an insult. Key actors include macrophages and neutrophils, but other cellular actors, including γδ T cells, innate lymphoid cells (ILCs), and regulatory T cells (Tregs), are also important. The plasticity of immune cells and the balance between ...

  8. Kind Woman Adopts 18-Year-Old Hospice Chihuahua to Fill His ...

    www.aol.com/lifestyle/kind-woman-adopts-18-old...

    And the fact that the dog was in hospice care didn't stop her one bit. In a cruel twist of fate, the Chihuahua's family gave him up when he was 18 years old. The senior dog was shivering when Emi ...

  9. Mortgage rates rise for fifth straight week amid pre-election ...

    www.aol.com/finance/mortgage-rates-rise-fifth...

    The average 30-year fixed-rate mortgage was 6.72% in the week through Wednesday, according to Freddie Mac data, up from 6.54% a week earlier. Fifteen-year mortgage rates also increased to 5.99% ...