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?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
Did you know?
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Patient Teaching
The Learned Helplessness Procedure
Surgical tray set up for a biopsy procedure.
Koplik spots in the mouth of a patient with measles.