There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Did you know?
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
A diagrammatic section through a typical adult tooth.
The end of a typical line wrench, which shows that it is capable of grasping most of the head of ...
A typical accelerator pedal position (APP) sensor, showing two different output voltage signals ...
A typical catalytic converter with a monolithic substrate.
Typical Reverse Osmosis Filter Setup
Rod Stewart - Some Guys Have All the Luck (Official Video)