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?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Did you know?
Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
Did you know?
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
San Baldo Pass in Italy
Change in air temperature at various air flow rates for a 4 pass operation
First-Pass Effect
Alternative for pass-point test
College Band
Gamete genotype frequencies calculated from genetic linkage data