« previous next »
« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Walter Thompson saw his assets evaporate during the stock market collapse in 1929. Desperate for ... Walter Thompson saw his assets evaporate during the stock market collapse in 1929. Desperate for ...
Until the 1960s, the South’s public facilities were segregated. Some were reserved for whites, ... Until the 1960s, the South’s public facilities were segregated. Some were reserved for whites, ...
The NFPA 704 marking system. This voluntary marking system is displayed at participating facilities ... The NFPA 704 marking system. This voluntary marking system is displayed at participating facilities ...
A car wash reduced the price of a basic wash as a promotion and test of the market. With the ... A car wash reduced the price of a basic wash as a promotion and test of the market. With the ...
Markets and Institutions Market Story Problem Markets and Institutions Market Story Problem
Iraqi market Iraqi market
Video: What Are Carbohydrates? Importance of Carbs & High Carb Food

For a complete list of videos, visit our video library