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?
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
Gastrointestinal system
The Cycle of Violence and Abuse in Intimate Relationships
Effects of Spinal Cord and Autonomic System Damage