What are the three different fractions between 1/2 and 3/4?

Step-by-step explanation:

firstly, realize that 1/2 can be expressed as 50% or 50/100

also realize that 3/4 can be expressed as 75% or 75/100

to answer your question, just pick any fraction between 50/100 and 75/100

for example, any three of the following will work

51/100, 52/100, 53/100 , ... , 72/100, 73/100, 74/100

Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli hope helps you