There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim