Body Fluids and...

Which blood vessel does not carry any carbon dioxide?

Conversion of fibrinogen to fibrin is catalysed by

Compounds released by WBCs, which raise the body's temperature, are known as

The white blood cells, which play a very important role in protecting the body against disease-producing organisms

Most of our cells are surrounded by- 

Choose the schematic diagram which properly represents pulmonary circulation in humans.

In man, blood passes from the post caval into the diastolic right atrium of the heart because of

Regarding blood circulation, it may be said that in Pheretima the dorsal vessel is a

The artery which supplies blood to the diaphragm is known as

Blood enters the heart because muscles of the ___________.