Q.1.
Blood plasma is...
Q.2.
Plasma carries carbon dioxide away from the...
Q.3.
Arteries carry blood in which direction?
Q.4.
Valves prevent the backflow of blood and are found in which of the following?
Q.5.
What are the smallest blood vessels, requiring a microscope in order to be seen?
Q.6.
Which parts of the circulatory system have thin walls, allowing diffusion of gases?
Q.7.
Most arteries carry blood which is...
Q.8.
Which of the following is another name for a red blood cell?
Q.9.
Platelets are involved in blood...
Q.10.
Red blood cells have a special shape to allow maximum...