This topic contains a solution. Click here to go to the answer
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

For a complete list of videos, visit our video library