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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
The average adult has about 21 square feet of skin.
![Skin structure, including the three layers of the skin and the accessory organs: sweat gland, sebace](https://biology-forums.com/gallery/47/medium_14755_16_09_12_5_57_13_87522080.jpeg)
![Bergmann’s and Allen’s rules expressed in two rabbit species. (a) A snowshoe hare. (b) A desert-livi](https://biology-forums.com/gallery/47/medium_274247_21_01_15_7_42_36_202932281.jpeg)