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Author Question: What type of star is our Sun? A) low-mass star B) intermediate-mass star C) high-mass star D) ... (Read 45 times) |
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
The average adult has about 21 square feet of skin.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.