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?
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
Did you know?
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Induced Pluripotent Stem Cell
Triglyceride Molecule
Acid–base imbalances
Action of penicillinase
Organization of plant cell walls
A comparison of a normal erythrocyte with sickle-cell anemia
