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Author Question: A sea urchin zygote undergoes its first cell division A) 5 seconds after fertili (Read 484 times) |
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.