« previous next »
« previous next »
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For linked genes, recombinant frequencies are less than 50 percent For linked genes, recombinant frequencies are less than 50 percent
IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br
Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ... Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ...
The demand for oil can be reduced significantly with the introduction of new higher vehicle mileage The demand for oil can be reduced significantly with the introduction of new higher vehicle mileage
Higher-Order Conditioning Higher-Order Conditioning
Parents who have higher levels of education encourage their children to be educated Parents who have higher levels of education encourage their children to be educated
Video: Types of disease resistance: innate defenses & immunity

For a complete list of videos, visit our video library