Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Did you know?
Your heart beats over 36 million times a year.
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The longest a person has survived after a heart transplant is 24 years.
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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
Did you know?
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Incomplete Dominance Follows Mendel's Laws
TrUe....FaLsE
Legal Environment of Business: Online Commerce, Ethics, and Global Issues (Cheeseman)
Teens who date in early adoles-cence are more likely to become sexually active