« previous next »
« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Granite: a Common Rock in Continental Crust Granite: a Common Rock in Continental Crust
Basin and Range Province—Crust Extended Basin and Range Province—Crust Extended
Continental Polar (cP) and Continental Arctic (cA) Air Masses Continental Polar (cP) and Continental Arctic (cA) Air Masses
Humid Continental Climates with Severe Winters (D) Humid Continental Climates with Severe Winters (D)
Ayles ice shelf before breakup Ayles ice shelf before breakup
Normal Faulting – Basin and Range Province Normal Faulting – Basin and Range Province
Video: Gas exchange - driving force

For a complete list of videos, visit our video library