For a large number of problems, there will be some animal of choice, or a few such animals, on which it can be most conveniently studied.

The affinity of blood or pure haemoglobins for oxygen is a complex phenomenon, depending upon a number of conditions, the most important of which are temperature and hydrogen ion concentration.

The circulatory system of man and the vertebrate animals can be considered as made up of a small number of organs or subordinate systems, which are easy to recognize anatomically, and the functions of which are on the whole quite distinct.

You know, I'm very proud of the large number of Hispanic endorsements that I've received.

It seems like a large number of providers can't find vaccine,

Whenever you have a large number of people in a building you want to make sure they can get out very quickly. So they need to know where the exits are and they need to know how to get to them.