Which statement correctly describes the function of a human lung?

it takes in carbon dioxide and releases oxygen.

it produces oxygen.

it filters carbon dioxide from the air.

it takes in oxygen and releases carbon dioxide.

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.